Drone-based displacement measurement of infrastructures utilizing phase information.

Drone-based inspections provide an efficient and flexible approach to assessing aging infrastructures while prioritizing safety. Here, we present a pioneering framework that employs drone cameras for high-precision displacement measurement and achieves sub-millimeter accuracy, meeting the requirements for on-site inspections. Inspired by the principles of human auditory equilibrium, we have developed an effective scheme using a group of strategical reference markers on the bridge girders to measure structural displacements in the bridge.

Indications and Outcomes of a Hybrid Method Combining Laparoscopic and Anterior Approaches for Inguinal Hernia Repair.

Introduction Surgery for complex inguinal hernia (IH) (recurrent IH or IH after radical prostatectomy (RP)) may be difficult because of the presumed scar or adhesion in the retropubic space. A hybrid method combining the laparoscopic and anterior approaches (HLAA) in a bidirectional surgical technique may be an option in complex IH cases. Methods Patients at our institution who underwent IH repair for complex IH using HLAA from April 2018 to November 2019 were included.

Modified keyhole plus technique with partial release of posterior rectus sheath for parastomal hernia repair after ileal conduit.

Parastomal hernia (PH) is a common complication of ileal conduit diversions. The Sugarbaker technique has a lower recurrence rate than the keyhole (KH) technique and is typically preferred. However, it may not be feasible in some cases because of anatomical features including the length of the conduit and torsion of the ureter.

Laparoscopic repair of suprapubic incisional hernia using a modified transabdominal partial extraperitoneal technique.

Introduction: Herein, we describe a novel technique for suprapubic incisional hernia repair using a modified transabdominal partial extraperitoneal technique in four patients.

Materials And Surgical Technique: We implemented four-trocar placement to achieve a coaxial setting for the pubic bone. The pubic bone and Cooper's ligament were exposed by an incision dorsal to the hernial orifice, and the bladder was mobilized as an inferior peritoneal flap.

Point defect detection and strain mapping in Si single crystal by two-dimensional multiplication moiré method.

Although defect detection is critical for evaluating the manufacturing processes of semiconductor materials and metals, the detection of crystal defects, especially point defects, over a large field of view still faces considerable challenges. Herein, we report on the development of a two-dimensional (2D) multiplication moiré method using digital image processing to simultaneously detect point and line defects in a wide field of view. Defect locations were automatically detected by employing the concept of a hybrid strain, that is, the absolute value of the product of the strain distributions in different principal directions.

Topology Optimization-Based Damage Identification Using Visualized Ultrasonic Wave Propagation.

This study proposes a new damage identification method based on topology optimization, combined with visualized ultrasonic wave propagation. Although a moving diagram of traveling waves aids in damage detection, it is difficult to acquire quantitative information about the damage, for which topology optimization is suitable. In this approach, a damage parameter, varying Young's modulus, represents the state of the damage in a finite element model.

The use of self-gripping mesh with anterior component separation technique in incisional hernia repair: A case series.

Introduction: Incisional hernia (IH) is a common postoperative complication that affects 10% of the patients who undergo abdominal surgery. The component separation (CS) technique is suitable for large and/or complex hernias; however, CS alone may not eliminate recurrence and is associated with an increased incidence of wound complications. Self-gripping mesh enhances tissue adhesion and contributes to a reduced risk of migration, chronic pain, and other complications.

Successful mesh plug repair using a hybrid method for recurrent inguinal hernia after laparoscopic transabdominal preperitoneal approach: A case report.

Introduction: The HerniaSurge Group and the European Hernia Society guidelines recommend an anterior approach to treat recurrent inguinal hernias after a failed posterior approach. The hybrid method combining explorative laparoscopy and anterior open approach can provide the benefits of both approaches.

Presentation Of Case: A 79-year-old man presented with a recurrent inguinal hernia after primary repair for an indirect hernia using the laparoscopic transabdominal preperitoneal approach (TAPP) 5 years ago.

Complete intracorporeal defect closure using unidirectional barbed suture in laparoscopic incisional hernia repair: Preliminary experience with short-term follow-up.

Introduction: Surgical techniques to close defects in laparoscopic incisional hernia repair vary across the literature. We herein demonstrate our original and standardized surgical technique for laparoscopic incisional hernia repair with complete intracorporeal defect closure using barbed suture.

Materials And Surgical Technique: Complete intracorporeal defect closures were indicated for defects less than or equal to 6 cm in transverse diameter.

Computerized Ultrasonic Imaging Inspection: From Shallow to Deep Learning.

For many decades, ultrasonic imaging inspection has been adopted as a principal method to detect multiple defects, e.g., void and corrosion.

Laparoscopic and percutaneous repair of a large midline incisional hernia extending to the bilateral subcostal region: A case report.

Introduction: Optimal surgery for a midline incisional hernia extending to the subcostal region remains unclear. We report successful hybrid laparoscopic and percutaneous repair for such a complex incisional hernia.

Presentation Of Case: An 85-year-old woman developed a symptomatic incisional hernia after open cholecystectomy.

[Systemic chemotherapy and surgery for recurrent metachronous liver metastases with peritoneal dissemination from triple colon cancers-a case report].

Although the first-line treatment for liver metastases arising from colorectal cancer is surgery, it is unknown whether this treatment is equally effective for liver metastases with peritoneal dissemination. We report a case of long-term survival after oxaliplatin-based chemotherapy and surgery for metachronous liver metastases with peritoneal dissemination from triple colon cancer. A 76-year-old man with a history of stage III descending colon cancer developed recurrent localized peritoneal dissemination and multiple liver metastases 30 months after surgery.

Detecting effective classes of medical incident reports based on linguistic analysis for common reporting system in Japan.

The analysis of medical incident reports is indispensable for patient safety. Most incident reports are composed from freely written descriptions, but an analysis of such free descriptions is not sufficient in the medical field. In this study, we aim to conduct new findings using incident information, to clarify improvements that should be made to solve the root cause of an accident, and to ensure safe medical treatment through such improvements.

Acute pancreatitis secondary to duodenoduodenal intussusception in duodenal adenoma.

Duodenoduodenal intussusception is a rare condition that is in general caused by a tumor. We describe duodenoduodenal intussusception secondary to a tubulovillous adenoma that caused acute pancreatitis in a 31-year-old female. We resected a duodenal tumor from the submucosal layer and then simply closed the duodenal wall.

Factors influencing improved patient outcomes after pancreaticoduodenectomy--a single institute experience of 209 consecutive patients in a decade.

Background/aims: Postoperative mortality and morbidity after pancreaticoduodenectomy (PD) remain major issues today and we discuss the factors influencing improved patient outcome after PD.

Methodology: Two hundred and nine patients underwent PD between 2001 and 2010 In our hospital. The first 58 cases between 2001 and 2004 were named Group A and the latter 151 cases between 2005 and 2010 were named Group B.

Risk factor for pancreatic fistula after pancreaticoduodenectomy performed by a surgeon during a learning curve: analysis of a single surgeon's experiences of 100 consecutive patients.

Background/aims: Among several kinds of morbidities, pancreatic fistula (PF) is the most common complication of pancreaticoduodenectomy (PD). However, it has not been clarified what kind of perioperative factors are risk factors of PF after PD is performed by a training surgeon.

Methodology: We evaluated the risk factors of PF after PD in which all procedures for 100 consecutive patients were performed by a single training surgeon, retrospectively.

Middle-preserving pancreatectomy for advanced transverse colon cancer invading the duodenun and non-functioning endocrine tumor in the pancreatic tail.

A 73-year-old female was referred to our hospital with a diagnosis of advanced transverse colon cancer with severe anemia and body weight loss. Preoperative evaluations, including colonoscopy, gastroduodenoscopy, and computed tomography, revealed not only a transverse colon cancer massively invading the duodenum, but also a non-functioning endocrine tumor in the pancreatic tail. We performed middle-preserving pancreatectomy (MPP) with right hemicolectomy for these tumors with a curative intent.

En bloc right hemicolectomy and pancreaticoduodenectomy with superior mesenteric vein resection for advanced right-sided colon cancer.

A 58-year-old female was referred to our hospital with a diagnosis of bowel obstruction due to advanced transverse colon cancer invading the duodenum. Two months after the emergency bypass operation for the bowel obstruction, we performed an en bloc right hemicolectomy with pancreaticoduodenectomy (RHCPD) with a curative intent. During the operation, we could not dissect the tumor from the superior mesenteric vein, so we performed a segmental cylindrical resection of the superior mesenteric vein and its reconstruction.

Mucin-producing carcinoma of the gallbladder associated with primary sclerosing cholangitis and ulcerative colitis.

Mucin-producing carcinoma of the gallbladder is very rare. We report here a case of mucin-producing carcinoma of the gallbladder associated with primary sclerosing cholangitis (PSC) and ulcerative colitis (UC). A 74-year-old female had been treated with salazosulfapyridine and ursodesoxycholic acid becase of UC and PSC.

Pancreas head carcinoma with total fat replacement of the dorsal exocrine pancreas.

We report a case of pancreas head carcinoma associated with fat replacement of the body and tail. A 68-year-old man presented with obstructive jaundice and was admitted to our hospital. Ultrasonography and computed tomography showed pancreas head tumor with a neighboring cystic lesion and fatty replacement of parenchyma of the pancreas body and tail.

Autogenous vein graft from iliac artery to splenic artery for celiac occlusion in pancreaticoduodenectomy.

This is a report of two patients with bile duct cancer and periampullary cancer with celiac axis occlusion who underwent pylorus-preserving pancreaticoduodenectomy and pancreaticoduodenectomy, respectively. Preoperative arteriography demonstrated complete obstruction of the celiac axis. The arterial blood flow to the liver, spleen, and stomach was sustained through the pancreaticoduodenal arcades and collaterals from the superior mesenteric artery.

Resection of hepatocellular carcinoma with tumor thrombus of the portal vein after neoadjuvant regional chemotherapy.

We report a successfully managed case of far-advanced hepatocellular carcinoma (HCC) by intraarterial infusion therapy. A 55-year-old man was admitted to our hospital with abdominal pain and subileus. Abdominal ultrasonography, computed tomography, and angiography revealed HCC with obstruction of the main portal vein due to tumor thrombus.