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Objective:To investigate the preventive effects of intravenous N-acetylcysteine(NAC)administration on contrast-induced nephropathy(CIN)following coronary intervention in elder patients with coronary heart disease(CHD)complicated with moderate to severe renal dysfunction.Methods:In this retrospective study, 242 elderly patients with CHD and moderate to severe renal insufficiency hospitalized in the Department of Cardiology of the First Affiliated Hospital of Nanjing Medical University and undergone coronary angiography from January 2018 to February 2022 were included and divided into two groups: the treatment group(100 cases)receiving NAC plus a continuous intravenous drip of 0.9% sodium chloride solution before and after surgery and the control group(142 cases)treated with only a continuous intravenous drip of 0.9% sodium chloride solution.To ensure the comparability of important baseline data between the two groups, a 1∶1 propensity score matching analysis was used, and 70 patients in each group were finally included.Pre-and post-operative serum creatinine(Scr)and blood urea nitrogen(BUN)values were recorded, the endogenous creatinine clearance(Ccr)and estimated glomerular filtration rate(eGFR)were calculated, and the incidences of CIN and changes in renal function indicators were compared between the two groups.Results:After coronary intervention, the incidence of CIN in the treatment group was significantly lower than that in the control group(1/70 or 1.4% vs.8/70 or 11.4%, P=0.033). In the treatment group, Scr[(186.01±36.62)μmol/L vs.(195.84±36.39)μmol/L, t=4.957, P<0.001]and BUN[(13.97±2.89)mmol/L vs.(14.84±2.85)mmol/L, t=5.206, P<0.001]decreased, while Ccr[(31.84±6.54)ml/min vs.(30.08±5.65)ml/min, t=-5.076, P<0.001]and eGFR[(31.60±6.93)ml·min -1·1.73m -2vs.(29.82±5.92)ml·min -1·1.73m -2, t=-5.200, P<0.001]increased, compared with pre-operative levels.In the control group, Scr[(186.65±27.28)μmol/L vs.(182.53±22.08)μmol/L, t=-1.783, P=0.079]and BUN[(17.57±3.33)mmol/L vs.(17.13±3.35)mmol/L, t=-2.234, P=0.029]increased, but Ccr[(30.57±6.37)ml/min vs.(31.06±6.01)ml/min, t=1.435, P=0.156]and eGFR[(30.76±6.46)ml·min -1·1.73m -2vs.(31.26±6.02)ml·min -1·1.73m -2, t=1.436, P=0.156]decreased, compared with pre-operative levels, and there was no significant difference except BUN(all P>0.05). Conclusions:For elderly patients with coronary heart disease complicated with moderate to severe renal insufficiency, the use of NAC before and after coronary intervention can reduce the risk of CIN and help improve renal function.
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Objective:To compare the therapeutic effects of percutaneous nephrostomy and ureteral stent drainage in the treatment of infectious hydronephrosis.Methods:From June 2017 to June 2018, 92 patients with infectious hydronephrosis in the First Hospital of Jiaxing were selected.The patients' hospital number was entered into the computer and the patients were divided into group A(percutaneous nephrolithotomy and drainage treatment, 46 cases) and group B(transurethral ureteral stent drainage treatment, 46 cases) by lottery.The treatment effect and safety were compared between the two groups.Results:There were no statistically significant differences in age, male/female, duration of disease, site of renal disease, primary disease, and underlying disease between the two groups(all P>0.05). There was no statistically significant difference in the success rate of disposable catheter placement between group A and group B(97.73% vs.100.00%, χ 2=0.126, P>0.05). The efficacy of group A was significantly higher than that of group B(97.73% vs.81.40%, χ 2=4.617, P<0.05). There were no statistically significant differences in the incidence rates of bleeding, infection, drainage tube abscess and puncture abscess between the two groups(all P>0.05). Conclusion:Percutaneous nephrostomy in the treatment of infectious hydronephrosis is more effective than ureteral stent drainage.Both of two methods have high safety of treatment.Clinical treatment should be based on the specific circumstances of the patients to obtain a significant clinical effect.
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OBJECTIVE： To provide theoretical basis and data support for community extended prescription management and pharmaceutical care. METHODS： Data of all patients using extended prescription from 2017 to 2018 were derived from the health information system database of Jinshan district of Shanghai and 11 streets towns under its jurisdiction. Retrospective survey was used to analyze the basic medical information of extended prescription patients and the compliance with extended prescription execution （insisting on dispensing drugs through extended prescription within 2 years）， and the factors affecting compliance were analyzed. RESULTS： From 2017 to 2018， there were 4 835 patients with Jinshan district extended prescription， with prescribing rate （number of extended prescriptions/number of prescriptions） of 2.08％， mainly patients over 60 years old （4 038 cases， 83.51％） and patients with common chronic diseases [4 793 casetimes， 83.18％ （4 793/5 763）]； there was statistical significance in the prescribing rate of extended prescription among different streets and towns （P＜0.05）. The overall compliance rate of extended prescription patients in Jinshan district was 81.62％ （62.02％-88.84％）. There was no significant difference in compliance rate of extended prescription execution between male and female patients （P＞0.05）. Age， type of disease and types of extended prescription drugs had influence on compliance rate of extended prescription patients. Compliance rate of extended prescription in patients under 40 years of age or hypertension and chronic airway disease or those who were given one kind of drug was lower than other patients in same group （P＜0.05）. CONCLUSIONS： Big data can be used for monitoring the compliance of extended prescription in the future. At the same time， pharmacists participating in family doctor team formulate relevant guidance and education for poor compliance group so as to improve the rationality and effectiveness of extended prescription for patients.
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Objective To investigate the efficacy of dexmedetomidine on anesthesia analgesia and postopera-tive cognitive dysfunction (POCD)in elderly patients with lumbar surgery.Methods Ninety elderly patients with lumbar surgery were randomly divided into dexmedetomidine group (A group with 46 cases)and control group (B group with 44 cases)by the random number table method.A group received load dosage (1μg/kg)dexmedetomidine before anesthesia induction,and this process must last for more than 10 minutes,then the dexmedetomidine was main-tained at a speed of 0.5μg/(kg·h)during the operation.B group were given the same dosage normal saline in the same way instead.The amount of intraoperative sedation drugs was observed and analyzed in the two groups.MMSE was measured at one day before surgery and seven days after surgery.And,the incidence rate of POCD was compared between the two groups.Results The dosage of intraoperative sedation drugs of fentanyl[(0.57 ±0.11 )mg vs (0.78 ±0.13)mg;t =8.286,P =0.000],propofol[(522.5 ±137.2)mg vs (734.2 ±175.8)mg;t =6.384,P =0.000]and remifentanil[(0.92 ±0.26)mg vs (1.38 ±0.73)mg;t =3.947,P =0.000]in A group were significantly lower than those of group B.After treatment for 7 days,the MMSE score in A group[(27.57 ±1.58)points]was higher than that of B group[(25.02 ±2.14)points](t =6.451,P =0.000).The incidence rate of POCD in A group (6.52%)was significantly lower than that of B group (22.73%),and the difference was statistically significant (χ2 =4.779,P =0.028).Conclusion In elderly patients with lumbar surgery,the dexmedetomidine can cut down the dosage of intraoperative sedation drugs,and it also could reduce the incidence of POCD.
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Objective To investigate the optimum dose of dexmedetomidine when combined with propofol for induction of anesthesia.Methods One hundred and twenty ASA physical status Ⅰ or 1Ⅱ patients of beth sexes,aged 18-60 yr,with body mass index of 18.5-30.0 kg/m2,scheduled for elective ophthalmologic operation under general anesthesia,were randomly divided into 6 groups (n =20 each) using a random number table:normal saline group (NS group) and different doses of dexmedetomidine groups (D1-D5 groups).Different loading doses of dexmedetomidine 0.2,0.4,0.6,0.8 and 1.0 μg/kg (in normal saline 50 ml) were infused intravenously in D1-D5 groups,respectively.The equal volume of normal saline was infused over 15 min in group NS.After 10 min observation,target-controlled infusion (TCI) of propofol was started.The initial target plasma concentration was set at 3.2 μg/ml.Loss of consciousness was considered to be positive response.The median effective concentration (EC50) and 95％ confidence interval of propofol TCI required for loss of consciousness were calculated.After administration of dexmedetomidine,the development of adverse effects was recorded before propofol TCI.Results Compared with NS group,the EC50 of propofol TCI required for loss of consciousness was significantly decreased in D2-D5 groups,and no significant change was found in the EC50 of propofol TCI required for loss of consciousness in D1 group.The EC50 of propofol TCI was decreased gradually with the increasing doses of dexmedetomidine between D1 and D2 groups,between D2 and D3 groups,and between D4 and D5 groups,while there was no significant difference in the EC50 of propofol TCI required for loss of consciousness between D3 and D4 groups.The incidence of hypotension was 5％ (D3 group),11％ (D4 group) and 31％ (D5 group),and the incidence of bradycardia was 0 (D3 group),11％ (D4 group),and 19 ％ (D5 group).No hypotension and bradycardia developed in D1 and D2 groups.The incidence of hypotension and bradycardia was significant increased in D4 and D5 groups as compared with NS,D1,D2 and D3 groups.Conclusion The optimum dose of dexmedetomidine is 0.4μg/kg when combined with propofol for induction of anesthesia.
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ObjectiveTo analyze the technique and clinical effect of percutaneous nephrolithotomy combined with endoscopic balloon dilation in the treatment of upper ureterostenosis with recurrent renal calculi. MethodsFrom June 2008 to June 2011,18 ureteral stenosis patients with the history of ureteral open surgery,postoperative residual or recurrent kidney stones were treated.There were 8 males and 10 females with the age of 27 -48 years.Fourteen cases were with hydronephrosis of 2 -4 cm,3 cases were with hydronephrosis of 5 -6 cm and 1 case was with hydronephrosis ＞6 cm.Subsequent stone size ＜ 1 cm was found in 15 cases,1 -3 cm in 3 cases,＞3 cm in 1 case.All patients were treated with percutaneous nephrolithotomy ultrasonic lithotripsy combined with balloon dilatation.The stone clearance rate,hydronephrosis changes,complications and IVP situation before and after surgery were analyzed.ResultsAll the 18 cases were completed surgery successfully.There was 1 (6％) case with renal hemorrhage 3 days after the surgery and controlled with DSA hemostasis.There was 1 case accepted adjusting double-J tube by ureteroscopy.Sixteen (89％) patient's stones were completed removed.One case with residual calyceal stones size ＜5 mm was not further treated.There was 1 case treated with nephrectomy because of renal stone with infection.The patients were followed up for 6 to 36 months.Fourteen cases with hydmnephrosis improved significantly; 3 cases with no significant changes but improved following balloon dilation.All patients achieved significant improvement in imaging study comparing of preoperative and postoperative data.ConclusionThe use of percutaneous nephrolithotomy combined with endoscopic balloon dilation is a safe and efffective treatment option in the treatment of kidney stones with ureteral stenosis.
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Objective To investigate the feasibility of urethral reconstruction with colonic mucosa graft in the treatment of complex long urethral stricture.Methods The clinical data of three cases with complex long urethral stricture were reported and analyzed.Patient ages were 71,64 and 48 yrs and the course of disease was three months,six months and six yrs,respectively.The length of urethral stricture was 13,18 and 12 cm.Removing the narrow urethral segment and intercepting the length from 12 to 18 cm sigmoid colon and stripping colonic mucosa were performed.Urethral reconstruction was done with a free graft of colonic mucosa.Follow-up included urethrography,uroflowmetry,and urethroscopy.Results The urethral reconstructions were completed successfully.The urinary peak flows of the patients were 16.7 ml/s,19.6 ml/s and 26.4 ml/s at six weeks post operation.Urethrography revealed the graft urethral lumens were bulky three months after the operation.In urethroscopy,the colonic mucosa was found to be of good color and the anastomotic site healed well.Patients were followed-up 28,16,and three months,respectively,and were all voiding well.Conclusions Colonic mucosa graft urethroplasty is a feasible procedure for the treatment of complex long urethral stricture.
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Objective To investigate standardization of technique of retroperitoned laparoscopic ureterolithotomy.Methods Retroperitoneal laparoscopic ureterolithotomy was performed on 85 cases of ureterolithiasis(the stone size ranging from 0.8~2.5cm,40 cases in the left,45 cases in the right;and 25 had undergone unsuccessful ESWL).Results 84 cases succeeded,1 case opened becase of play D-J tube difficultly,the mean operation time was 75 minutes(48~220min),and the estimated blood loss 20~100ml,the drain tube was removed 5~12 days(mean 7 days),1 case experienced urinary leakage,1 case infective in the retroperitoneal.Conclusion Retroperitoneal laparoscopic ureterolithotomy was a safe operation,it can take the place of open surgery.