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7 ± 1.4 mm generating a mean offsetwidth ratio of 0.38 ± 0.09. No chiasm had an offset of zero. The mean incident angle of optic nerves was 56 ± 7°, and for optic tracts, it was 51 ± 7°. CONCLUSIONS The human optic chiasm is “H” shaped, not “X” shaped. The findings are consistent with nasal fibers decussating an average of 2.4 mm lateral to the midline before travelling in parallel across the midline. This information will inform future models of chiasmal compression.The Fontan procedure is often the only definitive palliative surgical option for patients with a variety of complex CHD sharing in common, a single, dominant ventricle. In recent decades, imaging and therapeutic improvement have played a crucial role in those patients in whom many complications can hamper their life. After 50 years from the first procedure, heart transplantation remains the only definitive treatment for those with a failing Fontan circulation.BACKGROUND Intestinal perforation is a severe adverse event during pancreaticobiliary endoscopy. The use of over-the-scope clip (OTSC) has recently increased; however, the efficacy of OTSC during pancreaticobiliary endoscopy has not been well studied. AIMS To evaluate the efficacy of OTSC for the closure of gastrointestinal iatrogenic perforation during pancreaticobiliary endoscopy. PATIENTS AND METHODS This was a retrospective multicenter cohort study conducted at 3 tertiary care centers. The inclusion criteria were patients who had gastrointestinal perforation during endoscopic procedures for pancreaticobiliary diseases and underwent perforation closure using OTSC. The primary outcome was the clinical success rate. Secondary outcomes were technical success rates, adverse event rates, and the duration until the start of oral intake after OTSC. RESULTS Ten patients were treated by OTSC from January 2013 to December 2017. In 2 out of 10, the perforations could not be closed completely. In the remaining 8, perforations were closed completely, but intestinal obstruction caused by OTSC occurred in 1 patient. The clinical success rate was 80% (8/10). The technical and adverse event rates were 80% (8/10) and 10% (1/10), respectively. A median resumption timing of oral intake was 5 days (range, 3 to 10 d). CONCLUSION OTSC is considered as effective management for perforations during pancreaticobiliary endoscopy, although careful consideration is required for the indication of OTSC.BACKGROUND Robotic surgery can help to identify and preserve the autonomic nerves during total mesorectal excision (TME) compared with open surgery or laparoscopy due to the 3-dimensional image and high dexterity of the robotic system. Therefore, this study aimed to assess voiding and sexual function after robotic TME with autonomic nerve preservation. In particular, we focused on the long-term results in male patients operated by a single experienced surgeon. MATERIALS AND METHODS We surveyed male patients aged 50 years and below at the time of robotic rectal cancer surgery between November 2011 and July 2018. Patients who died and those who had a recurrence and underwent abdominoperineal resection were excluded. The questionnaire covered the International Prostate Symptom Score (IPSS) and the 5-item version of the International Index of Erectile Function (IIEF-5) for voiding and sexual function, respectively. RESULTS Thirty-nine patients (median age, 44 y) were surveyed. IPSS and IIEF-5 scores were 5.7±5.3 and 14.7±8.4, respectively. Only 6 patients (15.4%) complained of poor quality of life due to their urinary symptoms. In sexual function, 10 patients (25.6%) complained severe reduction compared with their preoperative status. The average of postoperative days defined from surgery to the questionnaire was 37.8 months. A significant change in the IIEF-5 score was observed between 1 and 2 years postoperatively (5.8±6.9 vs. 16.5±8.8; P=0.027). CONCLUSIONS As we only included male patients who were operated by a single experienced surgeon, the results of robotic TME with pelvic autonomic nerve preservation showed acceptable data in preserving both voiding and sexual functions. Although related clinical factors for poor functional outcomes was not statistically significant due to the small sample size, we could observe an improvement in sexual function between 1 and 2 years after surgery with long-term functional results.OBJECTIVE Nonadherence to medication is present in at least 50% of patients with apparent treatment-resistant hypertension. UAMC-3203 cost We examined the factors associated with nonadherence as detected by a liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based urine antihypertensive drug assay. METHODS All urine antihypertensive test results, carried out for uncontrolled hypertension (BP persistently >140/90 mmHg) between January 2015 and December 2016 at a single toxicology laboratory were analysed. Drugs detected were compared with the antihypertensive drugs prescribed. Patients were classified as adherent (all drugs detected), partially nonadherent (at least one prescribed drug detected) or completely nonadherent (no drugs detected). Demographic and clinical parameters were compared between the adherent and nonadherent groups. Binary logistic regression analysis was performed to determine association between nonadherence and demographic and clinical factors. RESULTS Data on 300 patients from nine hypertension centres across the United Kingdom were analysed. The median age was 59 years, 47% women, 71% Caucasian, median clinic BP was 176/95 mmHg and the median number of antihypertensive drugs prescribed was four. One hundred and sixty-six (55%) were nonadherent to prescribed medication with 20% of these being completely nonadherent. Nonadherence to antihypertensive medication was independently associated with younger age, female sex, number of antihypertensive drugs prescribed, total number of all medications prescribed (total pill burden) and prescription of a calcium channel blocker. CONCLUSION This LC-MS/MS urine analysis-based study suggests the majority of patients with apparent treatment-resistant hypertension are nonadherent to prescribed treatment. Factors that are associated with nonadherence, particularly pill burden, should be taken into account while treating these patients.