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Surgery Today

Atsumi Tamura, Hidemitsu Tsutsui, Yukiko Yano, Ryoji Ohara, Masae Hoshi, Takeshi Nagai, Toshitaka Nagao, Norihiko Ikeda
PURPOSE: To investigate the safety of the Thunderbeat™ (TB) device in thyroid surgery by clarifying its thermal effects on the recurrent laryngeal nerve (RLN). METHODS: We performed thyroidectomy using TB on four female pigs under general anesthesia. TB was applied 0, 1, and 2 mm from the RLN. The effects of incisions made in tissues in the vicinity of the RLN were evaluated by intraoperative neuromonitoring and pathological examination. RESULTS: The value of the neural integrity monitor (NIM) was unchanged at 2 and 1 mm, but there was loss of signal at 0 mm...
July 9, 2018: Surgery Today
Takahisa Ishikawa, Shingo Shimada, Moto Fukai, Taichi Kimura, Kouhei Umemoto, Kengo Shibata, Masato Fujiyoshi, Sunao Fujiyoshi, Takahiro Hayasaka, Norio Kawamura, Nozomi Kobayashi, Tsuyoshi Shimamura, Akinobu Taketomi
BACKGROUND AND PURPOSE: We reported previously that hydrogen gas (H2 ) reduced hepatic ischemia and reperfusion injury (IRI) after prolonged cold storage (CS) of livers retrieved from heart-beating donors. The present study was designed to assess whether H2 reduced hepatic IRI during donation of a cardiac death (DCD) graft with subsequent CS. METHODS: Rat livers were harvested after 30-min cardiac arrest and stored for 4 h in University of Wisconsin solution. The graft was reperfused with oxygenated buffer, with or without H2 (H2 or NT groups, respectively), at 37° for 90 min on isolated perfused rat liver apparatus...
July 6, 2018: Surgery Today
Gulsen Atasoy, Naciye Cigdem Arslan, Funda Dinc Elibol, Ozgul Sagol, Funda Obuz, Selman Sokmen
PURPOSE: To investigate the impact of the pelvic dimensions and tumor volume on surgery in locally advanced rectal cancer. METHODS: Patients who underwent open surgery after neoadjuvant long-course chemoradiation for primary rectal cancer were included. The predictive value of magnetic resonance-based pelvic measurements and tumor volume on the surgical difficulty and oncologic outcome were analyzed. RESULTS: 125 patients were included. The independent risk factors related to the circumferential resection margin status were the pT stage [odds ratio (OR) 3...
June 30, 2018: Surgery Today
Yusuke Watanabe, Sho Endo, Kazuyoshi Nishihara, Keijiro Ueda, Mari Mine, Sadafumi Tamiya, Toru Nakano, Masao Tanaka
PURPOSE: This study was performed to evaluate the surgical indication for intraductal papillary mucinous neoplasm (IPMN) advocated by the 2017 revised International Association of Pancreatology consensus guidelines (IAPCG2017). METHODS: The medical records of 63 patients who underwent pancreatectomy for IPMN were retrospectively reviewed. RESULTS: Thirteen patients had main-duct IPMN, 25 had mixed IPMN, and 25 had branch-duct IPMN with frequencies of high-grade dysplasia or invasive carcinoma of 62, 24, and 28%, respectively...
June 30, 2018: Surgery Today
Manabu Yamamoto, Hiroaki Saito, Chihiro Uejima, Akimitsu Tanio, Seigo Takaya, Teruhisa Sakamoto, Soichiro Honjo, Yoshihiko Maeta, Keigo Ashida, Yoshiyuki Fujiwara
PURPOSE: Inflammation is closely related to cancer development and progression. This retrospective study investigated the prognostic value of the combination of pre- and postoperative C-reactive protein (CRP) levels in patients with colorectal cancer (CRC). METHODS: The subjects of this study were 406 patients who underwent surgery for CRC. RESULTS: Based on receiver-operating characteristic analysis, patients were divided into the following groups: those with a preoperative CRP of ≥ 0...
June 26, 2018: Surgery Today
Shokei Matsumoto, Kyoungwon Jung, Alan Smith, Raul Coimbra
PURPOSE: To establish the preventable and potentially preventable death rates in a mature trauma center and to identify the causes of death and highlight the lessons learned from these cases. METHODS: We analyzed data from a Level-1 Trauma Center Registry, collected over a 15-year period. Data on demographics, timing of death, and potential errors were collected. Deaths were judged as preventable (PD), potentially preventable (PPD), or non-preventable (NPD), following a strict external peer-review process...
June 23, 2018: Surgery Today
Taijiro Sueda, Shinya Takahashi, Keijiro Katayama, Shohei Morita, Masazumi Watanabe, Tatsuya Kurosaki
PURPOSE: The purpose of this study was to evaluate the long-term results of partial arch repair using the frozen elephant trunk (FET) technique for distal arch aortic aneurysm and to examine the late complications. METHODS: Thirty-eight patients with true distal arch aortic aneurysms were repaired with FET introduced through an incision in the proximal arch aorta. Follow-up computed tomography was performed every 6 or 12 months in 36 surviving patients. The maximum dimension of the excluded aneurysmal space was measured to determine whether the aneurysmal space had decreased or disappeared...
June 22, 2018: Surgery Today
Katsuhiro Okuda, Hiroshi Haneda, Keisuke Yokota, Tsutomu Tatematsu, Tadashi Sakane, Risa Oda, Takuya Watanabe, Ryoichi Nakanishi
An open approach by sternotomy is still selected for locally advanced anterior mediastinal tumors. Technical and instrumental improvements to video-assisted thoracic surgery (VATS) have enabled the treatment of anterior mediastinal tumor in the last decade, and the indications of VATS for an anterior mediastinal tumor are thus expanding. Recently, a single-port thymectomy procedure using the subxiphoid approach has gained popularity worldwide because of its low invasiveness. Improvements to the thoracoscopic instruments and the development of a single-port device are expanding the adoption of single-port VATS in the thoracic surgical field, including resection of anterior mediastinal tumors...
June 22, 2018: Surgery Today
Irene Lidoriki, Dimitrios Schizas
No abstract text is available yet for this article.
June 21, 2018: Surgery Today
Hiroshi Sawayama, Masaaki Iwatsuki, Daisuke Kuroda, Tasuku Toihata, Tomoyuki Uchihara, Yuki Koga, Taisuke Yagi, Yuki Kiyozumi, Tsugio Eto, Yukiharu Hiyoshi, Takatsugu Ishimoto, Yoshifumi Baba, Yuji Miyamoto, Naoya Yoshida, Hideo Baba
PURPOSE: This study investigated the predictors associated with early recurrence (i.e. within 12 months) after curative gastrectomy for gastric cancer (GC). METHODS: We evaluated the clinicopathological factors in 429 patients who underwent curative gastrectomy for GC without preoperative chemotherapy and analyzed these factors' associations with early recurrence. RESULTS: Of 429 patients, 57 experienced recurrences, which were associated with gender, diameter, depth of invasion, lymph node (LN) metastasis, the LN ratio (LNr; LNs with metastasis/dissected LNs), lymphatic invasion, vascular invasion, carbohydrate antigen 19-9 (CA19-9) levels, C-reactive protein levels and the neutrophil/lymphocyte ratio...
June 20, 2018: Surgery Today
Noriyoshi Sawabata, Akikazu Kawase, Nobumasa Takahashi, Takeshi Kawaguchi, Tetsukan Woo, Yuichi Saito, Satoshi Shiono, Noriyuki Matsutani
Stage I non-small cell lung cancer (NSCLC) is a localized disease without metastasis; therefore, it can be treated effectively with local therapies. Pulmonary resection is the most frequent treatment, performed as pulmonary wedge resection, segmentectomy, lobectomy, or pneumonectomy. Some retrospective clinical studies of pulmonary wedge resection suggest that its outcome may be inferior to that of anatomical pulmonary resection, whereas other recent studies, which assess surgical margin status, leveled acceptable outcomes...
June 19, 2018: Surgery Today
Hisashi Oishi, Tatsuaki Watanabe, Yasushi Matsuda, Masafumi Noda, Yutaka Ejima, Yoshikatsu Saiki, Kuniaki Seyama, Takashi Kondo, Yoshinori Okada
In the original publication, Fig. 3 has been incorrectly published. The correct version of Fig. 3 is given in this Correction.
June 13, 2018: Surgery Today
Sachiko Kaida, Tsuyoshi Yamaguchi, Katsushi Takebayashi, Satoshi Murata, Toru Miyake, Hiroya Iida, Hiromichi Sonoda, Tomoharu Shimizu, Masaji Tani
PURPOSE: To classify the shape of the remnant stomach after Billroth-I (B-I) reconstruction and evaluate the relationship between the shape of the remnant stomach and the postoperative clinical outcomes. METHODS: One hundred and ninety-five consecutive patients with gastric cancer underwent distal gastrectomy with B-I reconstruction between May 2006 and October 2014. We retrospectively reviewed their medical records and radiological findings. Finally, the shapes of the remnant stomach of 150 patients were classified as either straight type (type A) or stagnant type (type B)...
June 6, 2018: Surgery Today
Kentaro Ishii, Masaharu Ishida, Norihiko Sugisawa, Megumi Murakami, Tomoyuki Ono, Tomoyoshi Tachibana, Hirofumi Imoto, Takeshi Aoki, Katsuyoshi Kudoh, Shinobu Ohnuma, Naoaki Sakata, Hiroaki Musha, Takanori Morikawa, Fuyuhiko Motoi, Takashi Kamei, Takeshi Naitoh, Michiaki Unno
PURPOSE: The lymphatic flow along the posterior gastric artery (PGA) is considered of possible clinical importance in terms of lymphatic metastasis; however, little is known about the lymph nodes (LNs) around this artery. The purpose of this study was to establish if LNs exist around the PGA and to evaluate their clinical implications. METHODS: We examined the tissues surrounding the PGA from 21 cadavers to search for LNs. We also investigated the patterns of lymphatic metastases in patients who underwent surgery for gastric neoplasms at our institute to detect their presence along the PGA...
June 4, 2018: Surgery Today
Yuki Sakamoto, Masaaki Iwatsuki, Kazuya Sakata, Eiichiro Toyama, Noboru Takata, Ichiro Yoshinaka, Kazunori Harada, Hideo Baba
As a surgical treatment for a perforated duodenal ulcer, duodenal omental filling is effective. However, filling the perforation site with a sufficient amount of omentum is difficult in some situations. We herein report that we successfully filled a perforated duodenal ulcer with a sufficient amount of omentum using intraoperative endoscopy. The operation was performed with three ports, the operation time was 110 min, and the estimated blood loss was small. The postoperative course was good. No stenosis of deformity of the duodenum was observed on follow-up endoscopy...
June 4, 2018: Surgery Today
Ken Imaizumi, Yuji Nishizawa, Koji Ikeda, Yuichiro Tsukada, Takeshi Sasaki, Masaaki Ito
PURPOSE: Perineal wound infection (PWI) rates are high after abdominoperineal resection (APR) and total pelvic exenteration (TPE). This study identified risk factors for PWI after surgery for anorectal tumors and examined the relationship between the surgical excision volume with the PWI degree. METHODS: A retrospective review involving 135 patients who underwent surgical excision of anorectal tumors was performed. Superficial PWI included cellulitis and superficial dehiscence; deep PWI included major dehiscence, perineal abscess, and presacral abscess...
June 1, 2018: Surgery Today
Yoshiya Ishikawa, Kazuhisa Ehara, Tatsuya Yamada, Natsumi Matsuzawa, Shu Arai, Daisuke Ban, Atsushi Kudo, Minoru Tanabe, Yoshiyuki Kawashima, Hirohiko Sakamoto
PURPOSE: Splenic infarction may occur if the splenic branches are injured or ligated accidentally during gastrectomy. We used three-dimensional computed tomography (3D-CT) imaging to distinguish the vascular anatomy of the splenic hilum in individual patients, focusing on the splenic polar branches and the gastric branches. METHODS: The subjects of this study were 104 patients who underwent computed tomography (CT) with intravenous contrast before gastrectomy. SYNAPSE 3D® (Fujifilm Medical, Tokyo, Japan) was used to generate the 3D-CT images...
June 1, 2018: Surgery Today
Hisashi Oishi, Tatsuaki Watanabe, Yasushi Matsuda, Masafumi Noda, Yutaka Ejima, Yoshikatsu Saiki, Kuniaki Seyama, Takashi Kondo, Yoshinori Okada
PURPOSE: Lung transplantation is accepted as an effective modality for patients with end-stage pulmonary lymphangioleiomyomatosis (LAM). Generally, bilateral lung transplantation is preferred to single lung transplantation (SLT) for LAM because of native lung-related complications, such as pneumothorax and chylothorax. It remains controversial whether SLT is a suitable surgical option for LAM. The objective of this study was to evaluate the morbidity, mortality and outcome after SLT for LAM in a lung transplant center in Japan...
May 28, 2018: Surgery Today
Michiko Watanabe, Hiroki Kohno, Yusuke Kondo, Hideki Ueda, Keiichi Ishida, Yusaku Tamura, Shinichiro Abe, Yasunori Sato, Yoshio Kobayashi, Goro Matsumiya
PURPOSE: Very few studies have investigated the efficacy of ganglionated plexus ablation during the conventional maze procedure. In this study, we sought to evaluate its additive effect in reducing recurrent atrial fibrillation after concomitant maze surgery. METHODS: A retrospective study was conducted of 79 patients who underwent Cox maze IV concomitantly with open-heart surgery with (GP group) or without (Maze group) ganglionated plexus mapping. All active ganglionated plexuses were ablated...
May 18, 2018: Surgery Today
Akihisa Matsuda, Marina Yamada, Satoshi Matsumoto, Nobuyuki Sakurazawa, Takeshi Yamada, Takeshi Matsutani, Masao Miyashita, Eiji Uchida
PURPOSE: Lysophosphatidylcholine (LPC), which is generated from phosphatidylcholine (PC) and metabolized by autotaxin (ATX), modulates immune responses via its anti-inflammatory property. We investigated the association between LPC and postoperative complications (POCs) after colorectal cancer surgery (CRC). METHODS: The subjects of this study were 43 patients who underwent surgery for CRC. Peripheral blood samples were collected preoperatively and immediately after surgery, and on postoperative days (PODs) 1, 3, 5, and 7...
May 17, 2018: Surgery Today
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