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1.
Rev. cuba. med ; 61(4)dic. 2022.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1441703

ABSTRACT

Introducción: La aplicación del lisado plaquetario alogénico en el tratamiento de la fisura anal crónica es uno de los temas más novedosos y excitantes dentro de las ciencias biomédicas hoy día. Objetivo: Exponer en forma resumida los avances y perspectivas de empleo del lisado plaquetario alogénico en la fisura anal. Métodos: La estrategia de búsqueda abarcó información en diferentes bases de datos como internet y en el buscador google académico, se utilizaron 42 bibliografías seleccionadas para realizar la revisión, 35 publicadas en los últimos cinco años como artículos originales de revisión, monografías y otros documentos científicos especializados en el tema. A partir de la búsqueda se elaboró el presente artículo. Desarrollo: Se hace alusión a la conceptualización de la enfermedad y los pilares terapéuticos, se sustenta la utilización del lisado plaquetario alogénico; los logros alcanzados con su aplicación en el Hospital General Docente "Comandante Pinaresˮ del municipio San Cristóbal en la provincia Artemisa en la especialidad; así como a las potencialidades de tan promisorio campo en el presente siglo. Conclusiones: El Lisado plaquetario alogénico en el tratamiento de la fisura anal crónica constituyó una nueva modalidad de tratamiento de la enfermedad.


Introduction: The application of allogeneic platelet lysate in the treatment of chronic anal fissure is one of the most novel and exciting topics within biomedical sciences today. Objective: To summarize the advances and perspectives of the use of allogeneic platelet lysate in anal fissure. Methods: The search strategy included information in different databases such as the internet and the academic google search engine, 42 bibliographies selected for the review were used, 35 published in the last five years as original review articles, monographs and other scientific documents specialized in the subject. The present article was prepared on the basis of the search. Development: Allusion is made to the conceptualization of the disease and the therapeutic pillars, the use of allogeneic platelet lysate is sustained; the achievements reached with its application in the General Teaching Hospital "Comandante Pinaresˮ of San Cristóbal municipality in Artemisa province in the specialty; as well as to the potential of such promising field in the present century. Conclusions: Allogeneic platelet lysate in the treatment of chronic anal fissure constituted a new modality of treatment of the disease.

2.
J. coloproctol. (Rio J., Impr.) ; 38(2): 132-136, Apr.-June 2018. tab, graf, ilus
Article in English | LILACS | ID: biblio-954586

ABSTRACT

ABSTRACT Chronic anal fissure is difficult to treat. Surgery is usually recommended in the case of drug therapeutic failure. Fecal incontinence in patients with weaker sphincters (multipara older patients with a history of pelvic surgery etc.) is a major reason for rejecting surgery. Such these patients should be underwent fissurectomy and V-Y advancement flap in which sphincterotomy is not required. In this prospective study, we determined the outcomes and complications of fissurectomy and V-Y advancement flap in both groups of patients with low and high anal sphincter tones.


RESUMO A fissura anal crônica tem tratamento difícil. A cirurgia geralmente é recomendada em caso de falha do tratamento medicamentoso. A incontinência fecal em pacientes com esfíncteres mais fracos (pacientes multíparas mais velhas com história de cirurgia pélvica etc.) é uma razão importante para a rejeição da cirurgia. Esses pacientes devem ser submetidos a fissurectomia e retalho de avanço em V-Y no qual a esfincterotomia não é necessária. Neste estudo prospectivo, determinamos os desfechos e complicações da fissurectomia e o retalho de avanço em V-Y em ambos os grupos de pacientes com tônus baixo e alto do esfíncter anal.


Subject(s)
Humans , Male , Female , Anal Canal/surgery , Surgical Flaps , Fissure in Ano/surgery , Prospective Studies , Fecal Incontinence , Fissure in Ano/therapy
3.
Chinese Journal of Biochemical Pharmaceutics ; (6): 172-174, 2017.
Article in Chinese | WPRIM | ID: wpr-511811

ABSTRACT

Objective To research the effect of Huang Bai capsules combined with Chinese medicine fumigation on treatment of chronic anal fissure.Methods 84 patients with chronic anal fissure from the second hospital of Shandong from January 2014~June 2016 were divided into two groups randomly.The control group was treated with Nitroglycerin and Lining gel and the observation group was treated with Huang Bai capsules combined with Chinese medicine fumigation.Treatment efficacy,symptom improvement,VAS score,gap healing time,ARP and RRP were compared between the two groups.Results The total effective rate in the observation group 95.24%is higher than that in the control group 78.57%(P<0.05).The proportion of bleeding and constipation after treatmen were lower than that before treatment(P<0.05).The proportion of bleeding and constipation in the observation group(9.52%and 11.90%)were lower than those in the control group(28.57%and 33.33%)(P<0.05).③ VAS score and gap healing time in the observation group were(1.18±0.20)points and(14.92±2.05)days,which were better than those in the control group(2.39±0.22)points and(19.16±2.28)days(P<0.05).④ARP and RRP in the observation group were(7.88±0.40)kPa and(2.61±0.31)kPa,which were lower than those in the control group(8.59±0.55)kPa and(3.09±0.45)kPa(P<0.05).Conclusion It can speed up crack healing and improve the effect of patients with anal fissure which Huang Bai capsules combined with Chinese medicine fumigation were used in the treatment.

4.
Article | IMSEAR | ID: sea-186874

ABSTRACT

Background: Fissures are common, but are often confused with other anal conditions, such as haemorrhoids. Fissures are usually caused by trauma to the inner lining of the anus from a bowel movement or other stretching of the anal canal. Aim: This study evaluated the efficacy of 0.2% glyceryl trinitrate versus lateral internal sphincterectomy in treatment of chronic anal fissure. Materials and Methods: This was a study which included 80 patients between November 2014 to September 2017. In this study, based on computer generated randomization, the patients were divided into two groups. Group A consisted of 40 patients with chronic anal fissure who were treated with 0.2% glyceryl trinitrate ointment, which was applied twice daily for 5 weeks. Group B included 40 patients who were treated by lateral internal sphincterotomy. Results: The mean duration of symptoms was 15.35±10.87 weeks in group A, it was 15.02±11.7 weeks in group B. Mean pain score during defecation was 7.89±1.58 in group A, it was 7.52±2.41 in group B. Bleeding during defecation was observed in 82% of patients in group A, 75% of patients in group B. Constipation was present in 27 patients i.e. 67% in group A and it was present in 31 patients i.e. 77% in group B. In Group A, 36 (90%) patients had posterior midline fissure, 4 (10%) had anterior midline fissure, In group B, 40 (100%) had posterior midline fissure. In group A, 24 (60%) had anal tag, in group B, 22 (56%) had anal tag. The VAS score in both the groups decreased gradually but the decrease was more in group B compared to group A at the end of 7th week which was statistically significant (p<0.05). Hence, the number of patients who had pain relief after surgical treatment was statistically significant as compared to patients who were treated with 0.2% glyceryl trinitrate ointment Awais Ghori, Bhooma Reddy M, Rajendra Prasad. Comparative study of glyceryl trinitrate ointment versus surgical management of chronic anal fissure. IAIM, 2017; 4(12): 188-194. Page 189 application. At the end of the 1st week, none of the patients were healed completely. But at the end of the 4th , in group A, only 14 patients were completely healed, 38 patients were completely healed in group B. At the end of the 7th week, all patients in group B were healed i.e. 100% were healed and in group A, 32 patients were healed completely. Conclusion: Chemical treatment by applying glyceryl trinitrate is also advantageous in that it doesn’t cause any complications. Surgical treatment by lateral sphincterotomy is most effective when patients fail to respond to chemical treatment.

5.
Malaysian Journal of Medical Sciences ; : 42-49, 2015.
Article in English | WPRIM | ID: wpr-628955

ABSTRACT

Background: Chronic anal fissure is a common disease that is accompanied with pain and bleeding during defecation. Various surgical and non-surgical methods have been offered for the treatment of this condition. Objective: The aim of this randomised clinical study was to compare the effectiveness and safety of nifedipine and isosorbide dinitrate (ISDN) in the treatment of chronic anal fissure. Methods: This double-blind clinical trial study was performed on patients aged 20 to 60 years old in 2012 to 2013. The samples with a primary diagnosis of chronic anal fissure were enrolled from the patients admitted to public treatment at the educational Imam Ali Clinic, Shahrekord, Iran by researchers and general surgery specialists. The patients were randomised into two groups: nifedipine 0.3% (n = 35) or ISDN 0.2% (n = 35) applied three times a day for three weeks. The patients were examined on the 7th, 14th, and 21st days of treatment, and the symptoms including bleeding, pain, and healing status, as well as the side effects of the drugs, were assessed. Pain was evaluated using a visual analogue scale (VAS). Results: After 21 days of follow-up, complete healing was achieved in 77.1% (n = 27) of patients in the nifedipine group and 51.4% (n = 18) in the ISDN group (P = 0.05). The mean VAS of the pain on day 21 was 0.91 (SD 0.01) in the ISDN group and 0.45±0.78 in the nifedipine group, with a statistically significant difference (P = 0.038). The bleeding was similar in the two groups (P = 0.498). Conclusion: In view of the findings on healing status and pain in the patients, nifedipine may be significantly more effective in the treatment of chronic anal fissure than ISDN.

6.
Chinese Journal of Minimally Invasive Surgery ; (12): 536-537,542, 2015.
Article in Chinese | WPRIM | ID: wpr-601481

ABSTRACT

Objective To investigate the safety and feasibility of minimally invasive stealth lateral release operation in the treatment of chronic anal fissure . Methods Clinical data of 42 patients with chronic anal fissure who underwent minimally invasive stealth lateral release from May 2012 to May 2014 was analyzed retrospectively .We use the homemade fine steel wire to pierce into the sphincter ditch with a distance from the anus of 1 cm, and put the steel wire out above the dentate line .Then the wire was took out from the other edge under the skin through the needle of bobbin .After the needle was fixed by an assistant , the free end of the steel wire was pulled quickly to cut the internal sphincter tissue instantly . Results All the 42 patients were successfully treated and discharged without complications .The recovery time was in 7 -14 d, with an average of 9 d.The healing standards included disappeared symptoms and totally healed wound .All the patients were followed up for 3-6 months, with an average of 4 months.No recurrence was found . Conclusion Minimally invasive stealth lateral release in the treatment of chronic anal fissure is safe and feasible, with many advantages such as simple performance , reliable curative effect, fast recovery time, and less postoperative complications .

7.
Clinical Medicine of China ; (12): 266-268, 2015.
Article in Chinese | WPRIM | ID: wpr-460532

ABSTRACT

Objective To investigate the curative effects of partial internal sphincterotomy in the posterior midline and lateral position in treatment of chronic anal fissure. Methods One hundred and fifty cases chronic anal fissure patients with stageⅡ or Ⅲ were randomly divided into observation group(80 cases)and control group(70 cases),who were hospitalized in the Shunyi District Hospital of Beijing from Dec. 2009 to Oct. 2012. The patients of two group were treatment by internal sphincterotomy either in the posterior midline or lateral position respectively. The efficacy,healing time,complications and recurrence of the two groups were recorded and compared. Results There were 76 cases with cure,6 cases with improvement and 2 with ineffective effect in the observer group. There were 49 cases with cure,12 cased with improvement and 9 cases with ineffective effect in control group. The difference of the efficacy was statistically significant( P =0. 025). Wound healing time of observation group and control group were(9. 9 ± 0. 8)d and(17. 1 ± 0. 9)d,and the difference was significant( P =0. 048 ). The incidence of anal exudates in observer group was lower than the control group(2. 5%(2/80)vs. 24. 3%(17/70);P=0. 032). The incidence of recurrence in observer group was 5. 0%(4/80),lower than the control group(24. 3%(17/70),P=0. 046). The degree of the postoperative pain,voiding dysfunction and wound edema in observer group were lower than the other group( P =0. 025, 0. 025,0. 049). Conclusion The effect of internal sphincterotomy in the lateral position in treatment of chronic anal fissure is better with quickly repair,fewer complications.

8.
J. coloproctol. (Rio J., Impr.) ; 34(3): 174-180, Jul-Sep/2014. tab, ilus
Article in English | LILACS | ID: lil-723186

ABSTRACT

Objective: Evaluate clinical, functional and morphologic outcomes of lateral sphincterotomy for chronic anal fissure treatment, and correlate the findings with factors that influence in the anal continence. Method: In a prospective study, female patients treated by lateral sphincterotomy for chronic anal fissure were assessed using Wexner's incontinence score and grouped according to score: group I (score = 0) and group 2 (score ≥1) and evaluated with anal manometry and anorectal 3D ultrasonography. Results: Thirty-six womens were included, 33% had vaginal delivery. Seventeen patients were included in group I and 19 in group II. We found no difference in age, parity and mode of delivery between groups. A significant difference with respect to percentage reduction in resting pressures was noted, when comparing group 1 versus group 2. The anal sphincter muscle length was similar in both groups. However, the length and percentage of transected internal anal sphincter was significantly greater in group II. Conclusion: There was a correlation between fecal incontinence symptoms after sphincterotomy with the percentage of resting pressure reduction, length and percentage of transected internal anal sphincter. .


Objetivo: Avaliar os resultados clínicos, funcionais e morfológicos de pacientes submetidas à esfincterotomia para tratamento de fissura anal, correlacionando os resultados com os fatores que podem interferir com a continência fecal. Método: Foram avaliadas prospectivamente pacientes do sexo feminino submetidas à esfincterotomia lateral interna devido à presença de fissura anal crônica utilizando o escore de incontinência de Wexner e distribuídas em dois grupos. Grupo 1- Escore igual a zero e Grupo 2 - maior ou igual a 1. As pacientes foram submetidas à avaliação funcional e anatômica do canal anal utilizando manometria anorretal e ultrassonografia tridimensional anorretal. Resultados: Das 36 pacientes incluídas, 33% tinham história de parto vaginal. Dezessete pacientes foram incluídas no Grupo 1 e 19 no Grupo 2. Não houve diferença quanto à idade, paridade e tipo de parto entre grupos. Houve diferença significante em relação ao percentual de redução na pressão de repouso quando comparado o grupo 1 com grupo 2. Não houve diferença no comprimento da musculatura esfincteriana entre grupos. No entanto, o comprimento e o percentual de esfíncter anal interno seccionado foram significativamente maiores no grupo 2. Conclusão: Há correlação entre os sintomas de incontinência fecal pós esfincterotomia com o percentual de reducão das pressões de repouso, tamanho e percentual do esfíncter anal interno seccionado. .


Subject(s)
Humans , Female , Adult , Middle Aged , Fissure in Ano/complications , Fissure in Ano/diagnostic imaging , Lateral Internal Sphincterotomy/adverse effects , Anal Canal/surgery , Ultrasonography , Imaging, Three-Dimensional , Fecal Incontinence/complications , Fissure in Ano/surgery , Manometry
9.
Chongqing Medicine ; (36): 3180-3181, 2014.
Article in Chinese | WPRIM | ID: wpr-455973

ABSTRACT

Objective To investigate the clinical efficacy of subsection partial posterior internal sphincterotomy and posterior in-ternal sphincterotomy for chronic anal fissure .Methods 64 cases with stage Ⅱ ,Ⅲ anal fissure were randomly divided into treat-ment group and control group ,treatment group of 31 cases of subsection partial posterior internal sphincterotomy ,33 patients in the control group after posterior internal sphincterotomy ,two groups of cases after 24 hours of operation ,complications ,curative effect of postoperative recurrence comparative analysis of rate ,healing time ,postoperative complications in 3 months .Results In the treatment group ,the cure rate was 90 .32% ,in the control group ,the cure rate was 90 .9% ,compared with no significant difference between the two groups ;the two groups had no recurrence in two cases ;24 hours after operation complications ,healing time ,post-operative complications in 3 months ,the difference was statistically significant (P<0 .05) .Conclusion subsection partial posterior internal sphincterotomy in treatment of chronic anal fissure with faster postoperative recovery and fewer complications .

10.
Article in English | IMSEAR | ID: sea-152972

ABSTRACT

Background: The treatment of chronic anal fissure has changed greatly during the past two decades with ongoing research directed at lowering the internal anal sphincter tone and avoiding the risk of fecal continence disturbance. Glycerin trinitrate, topical calcium channel blockers and anal dilators and botulinum toxin injection alone are all known to be able to lower the internal anal sphincter tone but results have been disappointing in curing chronic anal fissure, often marginally better than to placebo. The surgical treatment in the form of lateral internal sphincterotomy is the gold standard for chronic anal fissure. Aims & Objective: The aim of this prospective study was to assess the efficacy of medical treatment in form of topical calcium channel blocker and surgery in the management of chronic anal fissure. The objective is to compare the efficacy with regard to complete healing, recurrence, incontinence and other complications after treatment with topical calcium channel blocker and lateral anal sphincterotomy. Material and Methods: From October 2010 to October 2012, 50 patients with typical chronic anal fissure completed the study. 25 patients were initially treated with topical calcium channel blocker for 8 weeks and rests 25 were treated with lateral anal sphincterotomy. During the follow-up healing rates, symptoms, incontinence scores, and therapy adverse effects were recorded. Results: Overall healing rates were 60% after 8 weeks therapy with topical calcium channel blocker. Whereas overall healing after lateral internal sphincterotomy group was 88% with no recurrence. Conclusion: Lateral internal sphincterotomy is far more effective than medical treatment, with significantly increased healing rates while avoiding risk of incontinence.

11.
Article in English | IMSEAR | ID: sea-135010

ABSTRACT

Background: Lateral internal sphincterotomy has been accepted as the gold standard for chronic anal fissure. Despite the effectiveness, it carries a risk of fecal incontinence. Non-operative management of chronic anal fissure has been used as alternative treatment. Objectives: Evaluate the efficacy and long-term outcomes of botulinum toxin injection for the treatment of chronic anal fissure. Material and method: A prospective randomized controlled trial was conducted on 40 patients diagnosed with chronic anal fissure who were assigned to undergo either botulinum toxin injection or lateral internal sphincterotomy. Results: The wound-healing rate at 12 weeks and the reduction of post-treatment-resting pressure was significantly better in the sphincterotomy group. Complications and the continence status were not different between the two treatment groups. None of the patients in the sphincterotomy group required additional treatment, while seven patients in the botulinum toxin injection group underwent subsequent sphincterotomy within three years. Conclusion: The long-term result of botulinum toxin injection for chronic anal fissure was inferior to lateral internal sphincterotomy.

12.
Journal of the Korean Society of Coloproctology ; : 237-240, 2011.
Article in English | WPRIM | ID: wpr-157255

ABSTRACT

PURPOSE: Many kinds of substances are produced on vascular endothelial activation. The aim of this study is to confirm an increase in Endothelin-1 (ET-1), the most potent vasoconstrictor, which is produced by endothelial activation, in patients with chronic anal fissure and to infer the relationship between ET-1 and anal fissure chronicity. METHODS: The study groups are divided into three different groups with 30 subjects each. Group 1 is comprised of healthy volunteers, group 2 of chronic anal fissure patients, and Group 3 of patients with higher than 3rd degree hemorrhoids. Blood samples were taken to measure the ET-1 levels in subject's serum and to compare the results with those for the control groups. RESULTS: Among the 90 subjects, 38 were male, and 52 were female. The average age was 36.8. The average ET-1 level marked 1.47 +/- 0.78 pg/mL for male subjects and 1.16 +/- 0.47 pg/mL for female subjects (P = 0.02). The average ET-1 level in the patient groups is as follow: 1.21 +/- 0.44 pg/mL in group 1, 1.46 +/- 0.83 pg/mL in group 2, and 1.20 +/- 0.56 pg/mL in group 3 (P = 0.14). CONCLUSION: Group 2, the chronic anal fissure patient group, showed a higher ET-1 level than groups 1 and 3, the control group and the hemorrhoid patient group, but this difference had no statistical significance.


Subject(s)
Female , Humans , Male , Endothelin-1 , Endothelium , Fissure in Ano , Hemorrhoids , Ischemia
13.
Journal of the Korean Society of Coloproctology ; : 292-296, 2007.
Article in Korean | WPRIM | ID: wpr-188880

ABSTRACT

PURPOSE: A lateral internal sphincterotomy (LIS) is a safe and effective surgical treatment that is the most commonly used one for patients with chronic anal fissure. However, reports on the recurrence rate and complications after LIS published in Korea are rare. The purpose of our study is to identify the types and rates of recurrence, the complications after LIS, and the differences in clinical outcomes between open and closed LIS. RESULTS: We used hospital records and telephone interviews to study retrospectively the rates of recurrence and complications of 898 patients who underwent a LIS for chronic anal fissure from July, 2003, to June 30, 2004. RESULTS: There were 292 male (mean age: 36.8 years, range: 16~84) and 606 female (mean age: 32.4 years, range: 1~68) patients. The preoperative mean maximum resting pressure in anal manommetry was 99.2 cmH2O in male patients and 97.7 cmH2O in female patients. Recurrence of fissure after LIS was present in five cases (0.6%). All underwent a LIS, on the same side of a previous LIS in four cases and on the opposite side in one case. Delayed healing of the fissure was present in six cases (0.7%). All of these patients were improved by conservative management. Complications of the LIS were thrombus formation, perianal abscess, fistula, and incontinence. Thrombus formation was present in eight cases (0.9%). Five patients underwent a thrombectomy and three patients were cured by conservative management. Perianal abscess or fistula was present in three patients (0.3%), who underwent incision and drainage or a simple fistulotomy. Incontinence was present in two cases (0.2%). One patient was lost to follow up, and the other patient was improved by conservative management. CONCLUSIONS: LIS is a safe and effective treatment for patients with chronic anal fissure, and recurrence and complications of LIS are rare.


Subject(s)
Female , Humans , Male , Abscess , Drainage , Fissure in Ano , Fistula , Hospital Records , Interviews as Topic , Korea , Lost to Follow-Up , Recurrence , Retrospective Studies , Thrombectomy , Thrombosis
14.
Journal of the Korean Society of Coloproctology ; : 364-368, 2002.
Article in Korean | WPRIM | ID: wpr-169403

ABSTRACT

PURPOSE: Lateral partial internal sphincterotomy is considered as the best surgical procedure of the idiopathic chronic anal fissure. Because the aim of surgery is to relieve sphincter spasm, and occasional minor incontinence following surgery has been reported, alternative chemical means of spasmolysis could be considered. Nitric oxide (NO) is known to be a major inhibitory neurotransmitter of the internal anal sphincter, so we investigated the effect of topical nitroglycerin for chronic anal fissure. METHODS: Twenty nine patients (19 women, mean age 36 years) with chronic anal fissure were treated with 0.2% nitroglycerin ointment. Pain score was quantitated with Visual Analog Scale (VAS) in regular time interval. Manometry was performed in five patients and maximum anal resting pressure (MARP) was measured before and 30 minutes after topical application of nitroglycerin ointment. All patients were re-examined and questioned regarding pain relief and side effects 2 years after cessation of treatment. RESULTS: All had appearances of chronicity and pain. There were 25 posterior and 12 anterior fissures. Pain was significantly abolished within 5 minutes after application of nitroglycerin ointment. Mean pain score (VAS) was 6.03 before, 0.69 30 min after, 0.58 1 week after, and 0.53 3 weeks after application of nitroglycerin ointment (P<0.001). MARP was markedly reduced 30 minutes after application of nitroglycerin from 166.2 15.1 cmH2O to 108.8 20.9 cmH2O (P<0.05). The 57% of patients (13/23) were effective for 2 years and 22% of patients (5/23) had recurred their symptom after cessation of nitroglycerin ointment. Two patients (9%), whose fissures had not healed completely within 3 weeks were requested for surgery and the other 2 patients (9%) had been operate due to the side effect of the ointment. Mild headache (7%) and dizziness (10%) were occured, but well tolerated when the dose was reduced. CONCLUSIONS: Topical application of nitroglycerin ointment seems to be an effective and safe alternative in the treatment of chronic anal fissure.


Subject(s)
Female , Humans , Anal Canal , Dizziness , Fissure in Ano , Headache , Manometry , Neurotransmitter Agents , Nitric Oxide , Nitroglycerin , Spasm , Visual Analog Scale , Withholding Treatment
15.
Journal of the Korean Society of Coloproctology ; : 7-9, 2002.
Article in Korean | WPRIM | ID: wpr-116756

ABSTRACT

PURPOSE: The aim of this study was to estimate the prevalence of anatomic anal stenosis in patients with chronic anal fissure (CAF) and ascertain the results of lateral internal sphincterotomy (LIS) using a new calibrator. METHODS: Ninety-eight adults with CAF and a control group of 40 normal adults underwent anal calibration under spinal anesthesia. The calibrator was a conical design and the diameter was scaled in increments of 1 mm. The calibration was standardized and the reliability of it was assessed by two independent examiners for the same group (n=45). Confounding effects of age, sex, body weight, and height on the anal caliber were studied. The internal sphincter was divided to the level of the dentate line during LIS. RESULTS: The anal caliber was 34.6 +/- 1.4 mm (mean +/- SD) in the control group and 28.7 +/- 3.0 mm (mean +/- SD) in patients with CAF. Excellent correlation was obtained between the two examiners (r=0.958). The confounding effects of age, sex, body weight, and height were not significant. Therefore, anal stenosis was defined as when the measurement was 31 mm or below (mean-2SD of control value). Stenosis was present in 82 of 98 patients (84%) with CAF. Patients with stenosis had an anal caliber of 27.9 +/- 2.5 mm, with a range of 21 to 31 mm. Following LIS, 91 of 98 patients (93%) with CAF attained the normal range, two patients still had stenosis, and five patients had an anal caliber exceeding the normal value. CONCLUSIONS: Anatomic anal stenosis was found in 84% of the patients with CAF. Ninety three percent of these patients attained a normal anal caliber, 2 percent of the patients still had stenosis and 5 percent of the patients had an anal caliber exceeding the normal value after LIS.


Subject(s)
Adult , Humans , Anesthesia, Spinal , Body Weight , Calibration , Constriction, Pathologic , Fissure in Ano , Prevalence , Reference Values
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