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Objective To examine the outcome of off-pump coronary artery bypass (OPCAB) in elderly patients with left ventricular dysfunction. Methods From June 2008 to July 2016, 252 patients aged over 80 years underwent isolated OPCAB at Department of Cardiovascular Surgery, Beijing Anzhen Hospital, Capital Medical University, these patients' data were collected. The left ventricular dysfunction group (ejection fraction (EF) 35% to 50%) was comprised of 31 patients aged (82.0±2.1) years (range 80 to 88 years), including 25 males and 6 females. Through matching one-to-one on propensity scores, 31 patients (EF&gt;50%) were included into the left ventricular normal group. Among them, there were 25 males and 6 females, aged (81.9±1.9) years (range 80 to 89 years). Postoperative mortality and complications between the matched groups were compared using the t test, Wilcoxon rank-sum test, χ(2) test or Fisher exact test. Results Between the dysfunction group and normal group, the preoperative serum creatinine was 144.6(66.0) μmoolonged preoperative and total hospital stay. However, there is no significant difference in the postoperative mortality and other complications compared with the patients of normal left ventricular function.Objective To explore the feasibility of fast and accurate osteotomy using a new angle adjustable osteotomy guide (AAOG) in closing wedge distal femoral osteotomy(CWDFO). Methods The clinical data of 14 patients (17 knees) with valgus knee treated with CWDFO at Department of Integrated Chinese and Western Medicine Orthopedics, Honghui Hospital, Xi'an Jiaotong University from January 2018 to July 2019 were analyzed retrospectively. There were 3 males and 11 females, aging (41.4±16.4) years (range 18 to 56 years). The body mass index was (23.5±3.5) kg/m(2) (range 18.1 to 28.9 kg/m(2)). The guide pins were placed with the assistance of the self-designed AAOG. Before the surgery, Solidworks software was used to calculate the correction angle and the osteotomy radius accurately. The osteotomy guide was adjusted according to these two parameters. During the surgery, the adjusted osteotomy guide was placed to the surface of bone closely and the guide pins were drilled into the bone through the guide holes. The positi.4)° postoperatively (t=-0.401, P&gt;0.05). The thickness of the osteotomy was (11.3±1.9)mm according to the preoperative plan, and the actual thickness was (8.1±1.7)mm. All the patients were followed up for 6 months after surgery and AKSS and Tegner scores improved significantly (all P less then 0.05). The correction of the weight lines was within the ideal range. Fractures of the hinge point occurred in 3 knees. All of the osseous healing without complications. Conclusion The new osteotomy guide helps to place the guide pins rapidly and precisely according to the preoperative planning, which should be widely used in clinical applications with promising outcomes.Objective To examine the feasibility of small drain in transoral endoscopic thyroidectomy vestibular approach (TOETVA). Methods A prospective research was performed in Department of Oncology Plastic Surgery/Head and Neck Surgery, Hunan Cancer Hospital, from October 2018 to March 2019. Totally 103 patients who met the inclusion and exclusion criteria, signed the operation agreement of TOETVA, had their surgery completed and followed-up over 6 months, were enrolled in analysis. A central venous catheter was used as a drain tube in all cases (outer diameter 1.7 mm, inner diameter 1.0 mm). Visual analogue scale (VAS) was applied for assessing pain scores during the first 24 hours after the operation. [https://www.selleckchem.com/products/pi3k-hdac-inhibitor-i.html Fimepinostat] Vancouver scar scale (VSS) was used for assessing the scar left by the drainage. The drainage volume (minimum scale10 ml, approximate read 1 ml) was recorded every 2 hours during the first postoperative 12 hours, every 4 hours during 12 to 24 hours, every 8 hours during 24 to 48 hours, and once from 48 hours until exrop, 2 for regional infection), who were all cured after proper treatment. The total volume of drainage for 98 patients without postoperative drain-related complications was (80.1±12.2) ml (range 58 to 131 ml). The cumulative drainage within 8 hours accounted for (53.8±4.2)% (range 41.0% to 62.9%) of the total drainage. The volume of residual fluids in the postoperative 32 hours was estimated to (5.8±2.7) ml (range 0 to 12 ml,P(95)=10.0 ml). Conclusions The small drain tubecan be applied in TOETVA, providing a satisfied cosmetic appearance and a reliable drainage. The main exudation period of the wound is within 8 hours after the operation. If a residual volume less than 10 ml is considered to be self-absorbable, the shortest safe extubation point for 95% patients without drain-related complications should be 32 hours after the operation.Objective To examine the ultrasound features and clinical characteristics of the intestinal ischemia secondary to acute mesenteric venous thrombosis (AMVT). Methods From January 2016 to June 2019, 11 patients were diagnosed as intestinal ischemia secondary to AMVT confirmed by surgical pathology or CT in Peking Union Medical College Hospital. The patients included 7 males and 4 females, aging of (52.8±11.9) years (range 34 to 81 years).The clinical characters and ultrasound features were retrospectively reviewed. Results Abdomen pain was the chief complaint of all patients. Other complaints include 2 cases of blood in the stool, 1 case of hematemesis, 2 cases of vomiting, 1 case of diarrhea. Six patients showed rebound pain on physical examination. All patients had elevated white blood cell account and D-Dimer. Nine patients had a thrombosis in the portal vein simultaneously. All 11 patients underwent the CT scan including 10 contrast-enhanced CT. Mesenteric venous thrombosis was detected in 10 cases who underwent contrast-enhanced CT imaging. On CT imaging, 11 patients demonstrated intestinal wall thicken, 5 patients showed intestinal dilation. Eight patients underwent superior mesenteric venous ultrasound examination. Of them, 7 patients were correctly diagnosed as AMVT. Of the 10 patients who underwent abdominal ultrasound, 5 patients showed intestinal lesions including intestinal wall thicken in 4 patients and intestinal dilation in 1 patient. Peritoneal fluid was detected in 10 patients by ultrasound, which was consistent with CT. Ten patients underwent surgical procedures while 1 patient received conservative treatment. Conclusion Ultrasound is an accurate imaging method in diagnosing superior mesenteric vein thrombosis and can detect intestinal wall thickening, intestinal dilation, and peritoneal fluid.