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Purpose: The aim of this study was to assess frequency and risk factors of severe bleeding after proctological surgery requiring hemostatic surgery observed after publication of the French guidelines for anticoagulant and platelet-inhibitor treatment.Methods: All patients who underwent proctological surgery between January 2012 and March 2017 in a referral center were included. Delay, severity of bleeding, and need for blood transfusion were recorded. Patients with severe postoperative bleeding were matched to controls at a 2:1 ratio adjusted on the operator, and the type of surgery.Results: Among the 8,890 operated patients, 65 (0.7%) needed a postoperative hemostatic procedure in an operating room. The risk of a hemostatic surgery was significantly increased after hemorrhoidal surgery compared with other procedures (1.9% vs. 0.5%, P–4) and was most frequent after Milligan-Morgan hemorrhoidectomy (2.5%). Mean bleeding time was 6.2 days and no bleeding occurred after day 15. Blood transfusion rate was 0.1%. Treatment with anticoagulants and platelet inhibitors were managed according to recommendations and did not increase the severity of bleeding. The risk of severe bleeding was significantly lower in active smokers vs. non-smokers in univariate (16.9% vs. 36.2%, P=0.007) and multivariate (odds ratio, 0.31; 95% confidence interval, 0.14–0.65) analysis whereas sex, age, and body mass were not significantly associated with bleeding.Conclusion: Severe postoperative bleeding occurs in 0.7% of patients, but varies with type of procedure and is not affected by anticoagulant or antiplatelet treatment. These treatments given in accordance with the new guidelines do not increase the severity of postoperative bleeding.

Objective Anal high-grade squamous intraepithelial lesion (HSIL) may precede invasive cancer and can be detected clinically or during high-resolution anoscopy (HRA). The aims of this study were to compare the characteristics of HSIL discovered by HRA or in a surgical specimen without clinically visible lesion when diagnosed versus macroscopic HSIL when first diagnosed and then to compare their progression to invasive cancer. Patients and methods Clinical records of all patients with at least one HSIL lesion confirmed by histology and evaluated by HRA in a single center between September 1, 2009, and April 30, 2017, were retrospectively reviewed. The center's histological anal cancer data base was questioned in December 2017 to identify all cases. Results During a median (interquartile range) follow-up of 19.1 (5.6-40.2) months, 12 (2.9%) anal cancers were diagnosed in patients with a diagnosis of HSIL. Period of time between the first diagnosis of anal lesion and the cancer was 28.8 months (interquartile range = 15.4-65.6), and 11 (92%) of 12 were diagnosed as superficially invasive squamous cell carcinoma or T1N0M0. The rate of progression to anal cancer differed significantly between patients with macroscopic HSIL at diagnosis (5.4%) and patients with microscopic HSIL diagnosed during HRA (0.9%) (p = .01). Conclusions Patients with macroscopic histologically proven HSIL at first diagnosis of anal intraepithelial lesion have a significantly higher risk of anal cancer compared with patients with microscopic lesions diagnosed during HRA, but the duration between the first diagnosis of HSIL and cancer does not differ between the 2 groups.

Background Identifying determinants for histologically proven high-grade anal intraepithelial lesions (hHSIL) in HIV-positive MSM would allow better targeted screening. Methods APACHES is a prospective study of anal HPV and related-lesions in 513 HIV-positive MSM aged ≥35 in six clinics across France. At baseline, participants underwent high resolution anoscopy (HRA) with biopsy of suspicious lesions, preceded by anal swabs for liquid-based cytology, p16/Ki67 immunostaining, and HPV DNA. hHSIL diagnosis was established by histopathological review panel consensus, and determinants assessed by logistic regression. Results Baseline hHSIL prevalence was 10.4% and did not differ significantly by age, sexual behaviour or any HIV/immunodeficiency markers. hHSIL prevalence was significantly elevated in participants that smoked (ORadj=2.6, 95%CI 1.3–5.5) or who, in concurrent anal swabs, had ASCUS/LSIL (3.6, 95% CI 1.4–9.3) or ASC-H/HSIL (22.2, 95% CI 6.8–72.6) cytologic abnormalities, p16/Ki67 dual positivity (3.4, 95%CI 1.5–7.5), or non16-HR HPV (13.0, 95%CI 1.7–102), but most notably, HPV16 (46.3, 6.1–355) infection. Previous diagnosis of low- (2.3, 95%CI 1.0–5.4) or high- (3.8, 95%CI 1.5–9.9) grade anal lesion also conveyed higher hHSIL risk. After controlling for patient-specific determinants, there remained significant clinic-specific effects, especially in higher risk groups (HPV16-positive participants: 31.3% hHSIL in clinics A-D versus 5.1% in clinics E-F, p Conclusions Anal cytology and HPV16 infection are potentially useful determinants of hHSIL risk in HIV-positive MSM, but HIV/immunodeficiency-related variables appear not to be.

OBJECTIVE High-resolution anoscopy (HRA) is a useful screening tool for anal intraepithelial neoplasia (AIN), although reputedly challenging for interpretation of suspected lesions. MATERIALS AND METHODS All consecutive patients who underwent biopsies for at least 1 lesion suspicious for AIN during HRA from November 2010 to March 2012 were prospectively included. The characteristics (borders, staining with acetic acid and Lugol iodine solution, and patterns of epithelium and vascularization) of the lesions detected during HRA were compared with histology. RESULTS A total of 168 suspicious anal lesions were biopsied and analyzed in 103 patients (68% men, mean age ± standard deviation = 49.8 ± 9 y, 57% positive status on human immunodeficiency virus infection). According to histology, 41.7% of the lesions were high grade, 34.5% were low grade, and 23.8% were nondysplastic. Lesions with irregular epithelial pattern (or irregular vascularization) were twice as likely to be high grade compared with lesions with regular epithelial pattern (or regular vascularization). The incidences of acetic acid-induced whitening were 91.4%, 94.8%, and 70% among the high-grade AIN, low-grade AIN, and nondysplastic samples, respectively. Among the high-grade AIN, 62.9% were not stained by Lugol solution (vs 31% of the low-grade AIN). The positive predictive value of a combination of these simple morphological criteria was 68.6%. CONCLUSIONS Several simple morphological criteria are significantly associated with high-grade AIN and are found less often in low-grade AIN. A combination of these morphological criteria provides sufficient positive predictive value to guide biopsy placement during HRA.