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Objective To observe the daily bladder and bowel preparation of patients with prostate cancer by cone-beam computed tomography (CBCT), and analyze its impact on the precise implementation of radiotherapy for prostate cancer and side effects. Methods We retrospectively analyzed 38 patients with prostate cancer who underwent volumetric modulated arc therapy. The number of radiation fractions for each patient ranged from 25 to 35. A CBCT scan was performed before each daily radiation therapy, and the number of scans for each patient ranged from 25 to 40. Setup errors were adjusted to ensure that the tumor was targeted and the rectum wall was not in the high-dose target area of the prostate. There were 93 instances where treatment could not be successfully implemented and re-preparation and re-scanning were required. We calculated the success rate of treatment and setup errors, compared radiotherapist-adjusted error values under different bladder and bowel preparation conditions, and recorded radiotherapy-related side effects. Results The success rate of treatment in the 38 patients was (92.14 ± 5.25)%. Among the 93 instances of seriously inadequate preparation, 48.4% were due to insufficient bladder filling, and 30.1% were due to intestinal bloating. Radiotherapy side effects were negatively correlated with the success rate of treatment (r = −0.393, P = 0.015). When bladder filling was sufficient, there were no significant differences in radiotherapist-adjusted error values in the left-right (LR), superior-inferior (SI), and anterior-posterior (AP) directions between adequate and inadequate bowel preparation (P > 0.05). When the bladder was moderately or insufficiently filled, there were significant differences in radiotherapist-adjusted error values in the LR, SI, and AP directions between adequate and inadequate bowel preparation (P < 0.05). Conclusion Insufficient bladder filling and intestinal bloating are the main factors influencing the successful implementation of radiotherapy for prostate cancer. When the bladder is sufficiently filled, bowel preparation does not affect prostate position change.
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Objective To evaluate safety and efficacy of linaclotide combined with polyethylene glycol(PEG)for bowel preparation.Methods A total of 612 patients from Department of Gastroenterology at the Affiliated Hospital of Qingdao University for colonoscopy examination from January to June 2023 were selected.They were divided into group 1(1 L PEG+2 L PEG),group 2(linaclotide+2 L PEG)and group 3(1 L PEG+linaclotide+1 L PEG)by random number table method,with 204 cases in each group.The Ottawa Bowel Preparation Quality Scale(OBPS),the insertion time of colonoscopy,the time of the first defecation,the frequency of defecations,the occurrence of adverse effects and patients'tolerability were compared among the three groups.Results A total of 601 patients completed bowel preparation and accepted colonoscopy.Group 1 exhibited no statistically significant differences to group 2 with regards to OBPS and insertion time.However,Group 2 demonstrated a shorter duration for the time of the first defecation in comparison to both group 1 and group 3(P＜0.05).Group 1 displayed a higher frequency of defecations as compared to Group 2 and Group 3(P＜0.05).The incidence of adverse reactions was significantly lower in group 2 and group 3 than in group 1(P＜0.05).The overall tolerance score of patients in group 1 was low-er than that in group 2 and group 3(P＜0.05).Conclusions The effect of combining 2 L PEG with 290 μg of lina-clotide for bowel preparation before colonoscopy is similar to that of 3 L PEG.It can reduce the incidence of adverse reactions and patients exhibit good tolerance.For patients who are intolerant to a single high-dose administration of PEG,they need divided-dose regimen of 2 L PEG in combination with linaclotide.
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Objective To analyze the influencing factors of hypoglycemia in patients undergoing colonoscopy and to construct a risk prediction model and evaluate the model.Methods A total of 528 patients who underwent colonoscopy were selected by the convenience sampling method from the gastroenterology department of a tertiary A hospital in Qingdao from March 2022 to August 2022.Their general information,laboratory indicators and operation-related data were collected.Multivariate Logistic regression was used to analyze the risk factors of hypoglycemia in patients with colonoscopy for risk prediction model construction,and its prediction effect was evaluated by drawing a nomogram.Results Hypoglycemia occurred in 66 of 528 patients,with an incidence of 12.50％.The risk factors finally in the risk prediction model in Logistic regression were drinking history,long fasting time after operation,polyethylene glycol(PEG)-electrolyte solutions＞3 L,low quality of bowel preparation.The model passed Hosmer-Lemeshow goodness of fit test x2=10.158(P=0.200).The area under the ROC curve was 0.829,while the cut-off was 0.575,with sensitivity of 92.90％and specificity of 64.60％.Conclusion Patients undergoing colonoscopy have a higher risk of hypoglycemia.Patients with a history of drinking,longer fasting after surgery,more than 3 L of PEG-electrolyte solutions,and low quality of bowel preparation were more likely to develop hypoglycemia.The established risk prediction model has a good effect,providing the reference for screening high-risk group of hypoglycemia and taking preventive and protective measures.
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Objective To investigate the effect of anterograde lavage via ileal double-loop stoma on preoperative colonoscopy and postoperative bowel function.Methods A total of 191 patients who underwent laparoscopic anterior rectal resection plus prophylactic double-loop ileal stomy in Quanzhou First Hospital Affiliated to Fujian Medical University from January 2019 to December 2021 were selected and divided into anterograde group(n=97)and retrograde group(n=94)according to different lavage methods.Patients in anterograde group underwent temporary double-loop ileal stomy with distal lavage.Patients in retrograde group underwent anal lavage.The qualified rate of colonoscopy,external damage rate of intestinal mucosa,exhaust time,defecation time,fluid intake time,total hospitalization time,total hospitalization cost and satisfaction of two groups of patients were compared.Results The qualified rate of preoperative colonoscopy in anterograde group was significantly higher than that in retrograde group,and the external damage rate of intestinal mucosa was significantly lower than that in retrograde group(P<0.05).The postoperative exhaust time,fluid intake time and total hospitalization time in anterograde group were significantly shorter than those in retrograde group(P<0.05).The total hospitalization cost in anterograde group was significantly lower than that in retrograde group(P<0.05).The satisfaction of patients in anterograde group was significantly higher than that in retrograde group(89.69%vs.52.13%,Z=-7.165,P<0.001).Conclusion Anterograde lavage via ileal double-loop stoma can improve the qualified rate of preoperative colonoscopy,is conducive to postoperative intestinal function recovery,reduce patients'pain,and improve patients'satisfaction and comfort,which is worthy of clinical application.
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Introduction: Evaluation of patients' reports of characteristics of rectal effluents as a predictor of the quality of the colonoscopy preparation assessed by the endoscopist. Methods: A total of 270 patients, aged 18 or older, were consecutively included to perform an outpatient colonoscopy, for a period of 8 months. Demographic and clinical data were collected and evaluated, as well as the rectal effluents' characteristics and data concerning the colonoscopy. The quality of bowel preparation was evaluated by employing the Boston Bowel Preparation Scale. The association between rectal effluents and the quality of preparation was verified by binary logistic regression. Results: Of the 270 patients, 67.3% were female, with a mean age of 59.69 ± 12.48 years. Reports of dark and thick, dark orange, or brown and thick effluents produced a higher likelihood of inadequate preparation (OR 4.26, CI 95% 1.51; 11.14, p = 0.004). Conclusions Reports of dark and thick, dark orange, or brown and thick rectal effluents are predictors of inadequate preparation in the endoscopist assessment. (AU)
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Humanos , Masculino , Femenino , Persona de Mediana Edad , Anciano , Cuidados Preoperatorios , Colonoscopía , Defecación , Mejoramiento de la CalidadRESUMEN
Background: Mechanical bowel preparation for colorectal surgeries is thought to clear the bowel lumen of stool, thus decreasing intraluminal pressure of hard, potentially impacting stool and reduce ischemia at the new anastomosis. This reduces the dreaded complication of organ space surgical site infection (SSI) that leads to anastomotic leak which is most commonly seen in colorectal surgeries. Oral antibiotic preparation is thought to reduce the bacterial concentration of colonic mucosa which is thought to further bring down the incidence of organ space SSI in colorectal surgery. Aim of this study was to evaluate the role of oral antibiotics given preoperatively as an adjunct to mechanical bowel preparation and intravenous antibiotics, in reducing SSI in colorectal surgeries. Methods: Comparative study of 60 cases of colorectal surgery divided into two equal groups (group A-patients who received oral antibiotic preparations (OABP) with mechanical bowel preparations (MBPs) and ivAb preoperatively (oral antibiotic preparation and mechanical bowel preparation +intravenous antibiotic) versus group B-patients who only received MBP and ivAb preoperatively. Outcomes of SSI results were compared. Results: Incidence of SSI in group A was 16% whereas it was 40% in group B. Incidence of anastomotic leak in group A was 3.3% and in group B was 13.3%. E. coli was found in the pus culture of 60% cases of SSI in study groups whereas S. aureus was found to be the causative organism in rest of the cases that developed SSI. Conclusions: The study supports the use of OABP as an adjunct to MBP and ivAb preoperatively in colorectal surgery for the prevention of SSI and its related complications.
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Background: Mechanical bowel preparation for colorectal surgeries is thought to clear the bowel lumen of stool, thus decreasing intraluminal pressure of hard, potentially impacting stool and reduce ischemia at the new anastomosis. This reduces the dreaded complication of organ space surgical site infection (SSI) that leads to anastomotic leak which is most commonly seen in colorectal surgeries. Oral antibiotic preparation is thought to reduce the bacterial concentration of colonic mucosa which is thought to further bring down the incidence of organ space SSI in colorectal surgery. Aim of this study was to evaluate the role of oral antibiotics given preoperatively as an adjunct to mechanical bowel preparation and intravenous antibiotics, in reducing SSI in colorectal surgeries. Methods: Comparative study of 60 cases of colorectal surgery divided into two equal groups (group A-patients who received oral antibiotic preparations (OABP) with mechanical bowel preparations (MBPs) and ivAb preoperatively (oral antibiotic preparation and mechanical bowel preparation +intravenous antibiotic) versus group B-patients who only received MBP and ivAb preoperatively. Outcomes of SSI results were compared. Results: Incidence of SSI in group A was 16% whereas it was 40% in group B. Incidence of anastomotic leak in group A was 3.3% and in group B was 13.3%. E. coli was found in the pus culture of 60% cases of SSI in study groups whereas S. aureus was found to be the causative organism in rest of the cases that developed SSI. Conclusions: The study supports the use of OABP as an adjunct to MBP and ivAb preoperatively in colorectal surgery for the prevention of SSI and its related complications.
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ABSTRACT Background: There is a two-fold higher rate of failed colonoscopy secondary to inadequate bowel preparation among hospitalized versus ambulatory patients. Split-dose bowel preparation is widely used in the outpatient setting but has not been generally adapted for use among the inpatient population. Objective The aim of this study is to evaluate the effectiveness of split versus single dose polyethylene glycol bowel (PEG) preparation for inpatient colonoscopies and determine additional procedural and patient characteristics that drive inpatient colonoscopy quality. Methods: A retrospective cohort study was performed on 189 patients who underwent inpatient colonoscopy and received 4 liters PEG as either split- or straight-dose during a 6-month period in 2017 at an academic medical center. Bowel preparation quality was assessed using Boston Bowel Preparation Score (BBPS), Aronchick Score, and reported adequacy of preparation. Results: Bowel preparation was reported as adequate in 89% of the split-dose group versus 66% in the straight-dose group (P=0.0003). Inadequate bowel preparations were documented in 34.2% of the single-dose group and 10.7% of the split-dose group (P<0.001). Only 40% of patients received split-dose PEG. Mean BBPS was significantly lower in the straight-dose group (Total: 6.32 vs 7.73, P<0.001). Conclusion: Split-dose bowel preparation is superior to straight-dose preparation across reportable quality metrics for non-screening colonoscopies and was readily performed in the inpatient setting. Interventions should be targeted at shifting the culture of gastroenterologist prescribing practices towards use of split-dose bowel preparation for inpatient colonoscopy.
RESUMO Contexto: Há uma taxa duas vezes maior de colonoscopia com falha secundária ao preparo intestinal inadequado entre pacientes hospitalizados versus ambulatoriais. O preparo intestinal em dose dividida é amplamente utilizado em ambulatório, mas geralmente não foi adaptado para uso entre a população hospitalar. Objetivo: O objetivo deste estudo é avaliar a eficácia da preparação do intestino de polietilenoglicol (PEG) em dose única versus doses separadas para colonoscopias hospitalares e determinar características adicionais do procedimento e do paciente que promovam a qualidade da colonoscopia do paciente internado. Métodos Um estudo de coorte retrospectivo foi realizado em 189 pacientes que foram submetidos a colonoscopia hospitalar e receberam 4 litros de PEG como dose dividida ou direta durante um período de 6 meses em 2017 em um centro médico acadêmico. A qualidade do preparo intestinal foi avaliada usando-se o Boston Bowel Preparation Score (BBPS), o Aronchick Score, e relatório sobre a adequação do preparo. Resultados O preparo intestinal foi relatado como adequado em 89% do grupo de dose dividida versus 66% no grupo de dose direta (P=0,0003). Preparações intestinais inadequadas foram documentadas em 34,2% do grupo de dose única e 10,7% do grupo de dose dividida (P<0,001). Apenas 40% dos pacientes receberam PEG em dose fracionada. O BBPS médio foi significativamente menor no grupo de dose direta (total: 6,32 vs 7,73, P<0,001). Conclusão O preparo intestinal em dose dividida é superior ao preparo de dose única em todas as métricas de qualidade relacionadas para colonoscopias sem triagem e foi adequadamente realizado no ambiente de internação. As intervenções devem ser direcionadas para mudar a cultura das práticas de prescrição de gastroenterologistas para o uso de preparação intestinal em dose dividida para colonoscopia hospitalar.
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The quality of colonoscopy diagnosis and treatment is closely related to bowel cleansing. At present, polyethylene glycol electrolyte powder is the most widely used bowel cleaning regimen at home and abroad, but its intake is large, which reduces the compliance of patients. In recent years, many reports on the application of new bowel cleansing have emerged abroad. In contrast, the application of bowel cleanser in China is still relatively single, which has large room for improvement. At present, we need to solve the problem of developing a new bowel cleanser suitable for Chinese people to improve patient tolerance and bowel cleaning effect.
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Objective:To construct a bowel preparation nursing guidance based on key point control theory and mind mapping in full abdominal enhanced CT examination to provide a basis for improving the intestinal preparation and image quality of intestinal patients.Methods:This was a randomized controlled trial, 104 patients were selected as the research subjects who underwent full abdominal enhanced CT examination in the Second Hospital of Shanxi Medical University from January to August 2022, and randomly divided into the control group and the intervention group by table of random numbers, 52 cases in each group. The control group was given routine nursing guidance, while the intervention group was given nursing guidance based on key-point control theory and mind mapping. Compare the differences in intestinal cleanliness, intestinal fullness and CT image quality between the two groups.Results:The proportion of patients with good intestinal cleanliness was 65.4% (34/52) in the intervention group, which was higher than 25.0% (13/52) in the control group ( χ2 = 22.32, P<0.01). The proportion of patients in the intervention group with grade I intestinal filling was 71.2% (37/52), which was higher than the 23.1% (12/52) in the control group ( χ2 = 27.76, P<0.01). The proportion of patients in the intervention group with excellent image quality was 80.8% (42/52), higher than 30.8% (16/52) in the control group ( χ2 = 28.56, P<0.01). The score of State Anxiety Inventory score of patients in the intervention group was (41.21 ± 5.08), lower than that of the control group (48.69 ± 6.40) ( t = 6.60, P<0.01). The satisfaction score of patients in the intervention group was 43.50(39.00, 46.00), which was higher than that of the control group 39.00(36.25, 43.00) ( Z = - 3.45, P<0.01). Conclusions:The bowel preparation nursing guidance based on key-point control theory and mind mapping can effectively improve bowel preparation of patients and the image quality of full abdominal enhanced CT examination.
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Ideal bowel preparation is fundamental for a successful colonoscopy.High-quality bowel preparation mainly includes diet management and bowel cleansing,and should be both effective and well tolerated.Among them,diet management is the key point of bowel preparation and plays a non-negligible role.This article reviewed the various dietary management schemes used in the clinical practice of bowel preparation.
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Objective To investigate the consistency between colonoscopic Boston bowel preparation score and the bowel cleanliness evaluated by pre-endoscopy naked eye faecal observation,so as to provide a guidance on bowel preparation.Methods From September 2018 to June 2019,convenience sampling method was used to select 150 inpatients who underwent colonoscopy in the Department of Gastroenterology of a tertiary hospital in Guangzhou as the research objects.Before colonoscopy,the compound polyethylene glycol electrolyte powder was taken orally according to the bowel preparation plan for cleaning the colorectum.Before the colonoscopic examination,the naked eye observation method by nurses was used to observe the transparency of the excreta to evaluate the cleanliness of colorectum.Then the colorectal cleanliness was evaluated by endoscope by the operator using the Boston bowel preparation assessment scale(BBPS)during colonoscopy.Results A total of 145 patients completed the study.The cleanliness of bowel preparation was 93.1%with the naked eye observation and 88.27%with colonoscopy.There was no significant difference between the two assessment methods in judging the effectiveness of bowel preparation(P<0.05).The sensitivity of naked eye observation in judging bowel preparation was 96.10%with a 29.41%of specificity.The positive predictive value was 91.11%,and the negative predictive value was 50%(Kappa=0.310,P<0.001).Conclusion The naked eye observation and evaluation method for bowel preparation has advantages in high sensitivity,low specificity,high positive predictive value and low negative predictive value.It can be used as a preliminary evaluation method for cleanliness of colorectum before colonoscopy.
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Objective To investigate current situations,influencing factors and related strategies in insufficient bowel preparation for colorectal endoscopy in diabetic patients.Methods A total of 325 diabetic patients who were going to undergo colorectal endoscopy in our hospital were included as the research subjects from January 2021 to December 2022.The demographic,sociological and clinical data of the patients were collected to review and analyse the current situation of inadequate bowel preparation for colorectal endoscopy by convenience sampling method.The influencing factors of inadequate bowel preparation were analysed so as to provide references for formulating relevant interventional strategies for bowel preparation.Results The rate of inadequate bowel preparation in the 325 diabetic patients was found at 25.85%(84/325).The risk factors of insufficient bowel preparation included male(OR=2.157),age(OR=1.212),poor education(OR=2.811),constipation(OR=2.469),outpatients(OR=2.213),low score in activity of daily living(ADL,OR=0.858)and lower score in walking function(OR=0.701)(P<0.05 for all the factor).Conclusions The insufficient bowel preparation in patients with diabetes is at a higher level.The influencing factors of the insufficient bowel preparation include male,age,poor education,constipation,outpatients,lower score in activity of daily living and lower score in walking function.Medical staff should take measures corresponding to the influencing factors in order to reduce the influence upon an insufficient bowel preparation and ensure a smooth colonoscopy.
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Objective:To evaluate the effect of linaclotide combined with compound polyethylene glycol (PEG) on bowel preparation for colonoscopy.Methods:This trial was a multicenter randomized controlled study. Subjects scheduled for colonoscopy in 3 digestive endoscopy centers of The First Affiliated Hospital of Naval Medical University, Shanxi Province People's Hospital and the 900th Hospital of Joint Logistics Support Force from November 2021 to March 2022 were randomly assigned to 3 groups using completely random method. The bowel preparation of group A was 3-day linaclotide with 3 L PEG, that of group B was only 3 L PEG, and group C was 3-day linaclotide with 2 L PEG. The primary outcome was the rate of adequate bowel preparation, and the secondary outcomes were the rate of excellent bowel preparation, the completion rate of bowel preparation and the willingness to repeat the corresponding bowel preparation regimen.Results:A total of 130 subjects were enrolled, including 46 in group A, 43 in group B, and 41 in group C. There was no significant difference among the 3 groups in the rate of adequate bowel preparation [95.7% (44/46), 93.0% (40/43) and 95.1% (39/41), χ2=0.465, P=0.893], the rate of excellent bowel preparation [43.5%(20/46), 25.6% (11/43) and 34.1% (14/41), χ2=3.151, P=0.207], or the completion rate of bowel preparation [95.7% (44/46), 95.3% (41/43) and 100.0% (41/41), χ2=1.909, P=0.544]. However, there were significant differences in the willingness to repeat the corresponding bowel preparation regimen among the 3 groups [89.1% (41/46), 74.4% (32/43) and 100.0% (41/41), χ2=12.862, P=0.002]. The bowel preparation completion and willingness rate of subjects in group C were both 100.0%, which were higher than those in group A and group B. Conclusion:Linaclotide is able to improve the quality of bowel preparation and reduce the amount of PEG.
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Objective:To establish a nomogram to evaluate the adequacy of bowel preparation before colonoscopy and to guide clinical decision-making.Methods:A total of 1 023 valid questionnaires from subjects who underwent diagnosis and treatment of colonoscopy at the digestive endoscopy center, Xiangya Hospital, Central South University from September 2020 to March 2021 were finally returned. The contents of the questionnaire mainly included the clinical characteristics, defecation habits, the number of defecation and the time of the last defecation after taking the medicine and the self-assessment results of bowel preparation before colonoscopy. Subjects' bowel preparation was graded with the Boston bowel preparation scale (BBPS) by a designated endoscopist in a single blinded method. Multivariate analyse was used to explore the influencing factors for bowel preparation adequacy, and a nomogram was drawn accordingly.Results:Based on BBPS scores, bowel preparation of 674 subjects were adequate and 349 were inadequate. Multivariate analyse identified the number of defecation per week ( OR=1.649,95% CI:1.233-2.204, P=0.001), the number of defecation after medication ( OR=3.963, 95% CI: 1.851-8.485, P<0.001), the time of the last defecation after medication ( OR=5.151, 95% CI: 1.152-23.037, P=0.032), and self-assessment of bowel preparation before examination ( OR=8.284, 95% CI: 2.042-33.601, P=0.003) were influencing factors for the adequacy of bowel preparation for colonoscopy. The area under the receiver operating characteristic curve of assessment of colonoscopic bowel preparation adequacy with nomogram visualization according to influencing factors was 0.913, optimal cutoff value was 0.824, the sensitivity was 0.746, and the specificity was 0.971 under the internal validation cohort. Conclusion:The nomogram based on the number of defecation per week, the number of defecation after medication, the time of the last defecation after medication, and self-assessment of bowel preparation before examination could evaluate the adequacy of bowel preparation before colonoscopy, which is worthy of application.
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Objective:To explore the value of linaclotide combined with compound polyethylene glycol electrolytes powder (PEG) for bowel preparation for colonoscopy.Methods:A randomized and single blind prospective clinical study was conducted in patients who intended to receive colonoscopy at the Department of Gastroenterology in Shenzhen Hospital, Southern Medical University from June 2021 to August 2021. One hundred and fifty-two patients in the experimental group were treated with 580 μg linaclotide + 2 L PEG, and 152 patients in the control group were treated with 3 L PEG. The bowel preparation effects including Boston bowel preparation scale (BBPS) score, bubble score and lesion detection rate, and safety (adverse events) were compared between the two groups.Results:The total BBPS scores were 9 (8, 9) in the experimental group, and 9 (9, 9) in the control group with no significant difference ( Z=0.141, P=0.888). The bubble scores were 1 (1, 2) in the experimental group, and 1 (1, 1) in the control group with no significant difference ( Z=1.788, P=0.074). There was no significant difference in detection rate of lesions between the experimental group and the control group [37.50% (57/152) VS 33.55% (51/152), χ2=0.517, P=0.472]. There was no significant difference in safety including incidence of nausea [7.24% (11/152) VS 13.16% (20/152), χ2=2.910, P=0.088], vomiting [2.63% (4/152) VS 7.24% (11/152), χ2=3.436, P=0.064], abdominal distension [7.89% (12/152) VS 11.84% (18/152), χ2=1.331, P=0.249] and abdominal pain [2.63% (4/152) VS 4.61% (7/152), χ2=0.849, P=0.357] between the experimental group and the control group. Conclusion:Linaclotide combined with PEG for colonoscopic bowel preparation reduces drinking water volume. The cleaning effect and safety are comparable to using 3 L PEG. It can be recommended for bowel preparation for colonoscopy.
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Objective:To investigate the influencing factors for inadequate bowel preparation of colonoscopy.Methods:A total of 677 patients who underwent colonoscopy at Peking Union Medical College Hospital from December 2021 to January 2023 were recruited, and all patients underwent standardized bowel preparation by using 3 L polyglycol electrolyte powder with fractional dose. The quality of bowel preparation was assessed by Boston bowel preparation scale, and the influencing factors for inadequate bowel preparation were analyzed by logistic regression analysis.Results:The rate of inadequate bowel preparation was 31.5% (213/677). Among the patients with inadequate bowel preparation, 85.4% (182/213) inadequate bowel preparation was only in proximal colon, 14.1% (30/213) was in both proximal and distal colon, and 0.5% (1/213) was only in distal colon. Inadequate bowel preparation in distal colon and total colon were combined into inadequate bowel preparation in distal colon. The results of logistic regression analysis showed that inadequate bowel preparation in proximal colon was more likely to occur in men ( P=0.001, OR=2.253, 95% CI: 1.399-3.629), outpatients ( P<0.001, OR=4.175, 95% CI: 2.410-7.231), those with no family history of colorectal cancer ( P=0.001, OR=2.117, 95% CI: 1.365-3.284), and diagnostic colonoscopy ( P=0.003, OR=1.978, 95% CI: 1.261-3.102). And spinal disease ( P=0.044, OR=7.430, 95% CI: 1.051-52.511), outpatients ( P<0.001, OR=135.577, 95% CI: 29.135-630.883),non-compliance of dietary requirements ( P=0.006, OR=4.772, 95% CI: 1.576-14.453), adverse reaction during bowel preparation ( P=0.015, OR=4.341, 95% CI: 1.329-14.179), no family history of colorectal cancer ( P=0.003, OR=7.110, 95% CI: 1.912-26.438), and poor last stool character ( P=0.001, OR=25.922, 95% CI: 3.779-177.832) were risk factors for inadequate bowel preparation in distal colon. Conclusions:The inadequate bowel preparation of colonoscopy mainly occurs in proximal colon, and the risk factors for the inadequate bowel preparation vary in different colonic segments. Therefore, the specific interventions should be performed according to the character of different colon segments to improve the quality of bowel preparation.
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Background: The traditional bowel preparation compound polyethylene glycol electrolyte powder (PEG) has poor tolerance in some patients due to the need for a large amount of water, which has a limited cleaning effect and affects the visual field of observation. Therefore, it is of clinical significance to find a bowel cleaning method with strong cleaning power, high safety and is acceptable to most of the patients. Aims: To explore the efficacy and safety of PEG combined with linaclotide in bowel preparation. Methods: A total of 414 patients were randomly divided into 3 groups: control group (3 L PEG group), observation group A (3 L PEG+290 μg linaclotide), observation group B (2 L PEG+290 μg linaclotide). The primary outcome was the efficacy of bowel preparation based on the Boston bowel preparation scale (BBPS), the secondary outcomes were withdrawal time, time interval from preparation to colonoscopy, incidence of complications, cecal insertion rate, detection rates of polyps, adenoma, hemorrhoid and other diseases. BBPS score in constipation subgroup was analyzed. Results: The appropriate bowel preparation rate, BBPS score, and detection rates of polyps and hemorrhoid in observation group A were significantly higher than those in control group and observation group B (P0.05). There were no significant differences in cecal insertion rate, incomplete colonoscopy rate, detection rates of adenoma and other diseases, withdrawal time, time interval from preparation to colonoscopy, and incidence of adverse reactions among the three groups (P>0.05). BBPS score in constipation patients in observation group A was significantly higher than that in observation group B and control group (P<0.05). Conclusions: Linaclotide is safe and effective as an adjuvant for bowel preparation. 3 L PEG combined with linaclotide can improve the quality of bowel cleaning.
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Objective:To investigate the effect of applying narrative therapy theory into game on improving the quality of bowel preparation in children, and to provide a basis for selecting nursing intervention methods before bowel preparation.Methods:This study was a quasi experimental study. Totally 62 children who took polyethylene glycol electrolyte dispersion for bowel preparation in Gansu Maternal and Child Health Hospital from January to December 2021 were included in this retrospective study. They were divided into control group with 28 cases and experimental group with 34 cases according to random number table method. The control group was given conventional bowel preparation and medication guidance, and the experimental group was given the intervention during bowel preparation by applying narrative therapy theory implanted games. The bowel preparation adequacy rate, complete medication taking rate and parental satisfaction of the two groups were observed and compared.Results:The bowel preparation adequacy rate and complete medication taking rate in the experimental group were 94.12% (32/34) and 52.94% (18/34), respectively, which were higher than 46.43% (13/28) and 10.71% (3/28) in the control group, and the differences were statistically significant ( χ2 = 15.23, 10.41, both P<0.01). According to the average BBPS score, the experimental group had better intestinal cleanliness compared to the control group (7.65 ± 1.07 vs 6.07 ± 1.41, t = -4.87, P<0.01), the difference was statistically significant. 97.06% (33/34) of the parents in the experimental group expressed satisfaction, which was higher than 64.29% (18/28) in the control group, and the difference was statistically significant ( χ2 = 12.74, P<0.05). Conclusions:By applying the narrative therapy theory implanted games, the complete taking of high-dose bowel cleasing agent can be promoted and the quality of bowel preparation can be improved, which is worth suggesting as a nursing intervention method for bowel preparation.
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Objective:To analyze and interpret the literature on intestinal preparation during colonoscopy in the elderly in China, and explore the research hotspots and development frontiers in this field, so as to provide theoretical reference for relevant institutions and researchers.Methods:Bibliometrics CiteSpace Ⅴ software was used to search CNKI, Wanfang Database, VIP, Chinese biomedical journal database, Chinese biomedical literature database from January 1, 2000 to April 30, 2022, and then statistical analysis was made on the number of published papers, distribution of institutions and regions, authors, journals, funding, and the maps of high-frequency keywords, clustering, and cooperation of authors, institutions and burst words were drawn.Results:A total of 281 literatures were included, and the characteristics of intestinal preparation, the effect of intestinal preparation for colonoscopy and nursing intervention of intestinal preparation for colonoscopy in the elderly were extracted as the research focus.Conclusions:The visualization analysis showed the research hotspots and trend of intestinal preparation during colonoscopy in the elderly. Intestinal preparation and comprehensive nursing intervention are still the focus of future research, and the cooperation among researchers and quality of published literature should be improved based on the research hotspots in the future.