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General Thoracic and Cardiovascular Surgery

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https://www.readbyqxmd.com/read/27900535/evaluation-of-cerebral-circulation-during-retrograde-perfusion-by-laser-speckle-flowgraphy
#1
Fumiaki Kimura, Hirotsugu Kanda, Yuki Toyama, Takayuki Kunisawa, Taiji Nagaoka, Akitoshi Yoshida, Hiroto Kitahara, Hiroyuki Kamiya
Laser speckle flowgraphy (LSFG) is an ophthalmologic equipment that qualitatively detects the blood flow of the optic nerve head, which is known to be related with cerebral microcirculation. LSFG can also measure the mean blur rate, which quantitatively calculates the blood flow. We aimed to assess the utility of LSFG in the evaluation of cerebral perfusion during aortic surgery under hypothermic circulatory arrest with retrograde and antegrade cerebral perfusion. Two patients underwent total arch replacement for aneurysm...
November 29, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27888446/cesarean-section-in-the-setting-of-severe-pulmonary-hypertension-requiring-extracorporeal-life-support
#2
Ryosuke Hara, Shuhei Hara, Chin Siang Ong, Gary Schwartz, Christopher Sciortino, Narutoshi Hibino
We describe the use of veno-arterial extracorporeal membrane oxygenation (ECMO) in a 35-year-old female with severe fixed pulmonary hypertension who went into cardiogenic shock during a Cesarean section. Pregnancy in the presence of severe pulmonary hypertension is typically contraindicated due to high maternal mortality rates. This patient visited our hospital at 37 weeks of gestation after experiencing dyspnea and chest pain. Clinical evaluation revealed severe fixed pulmonary hypertension. At the time of the planned delivery, femoral lines were placed; in case of emergency, ECMO became necessary during the delivery...
November 25, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27854045/development-of-the-maze-procedure-and-the-contribution-of-japanese-surgeons
#3
REVIEW
Shinya Takahashi, Taijiro Sueda
OBJECTIVE: The Cox-Maze procedure is the most popular surgical procedure in the world for eliminating atrial fibrillation (AF). Japanese surgeons performed and modified its procedure. This review describes the concept of the Maze procedure, modifications of the Maze procedure and findings related to the Maze procedure obtained by Japanese surgeons. METHODS: Original Cox-Maze procedures and modified Maze procedures developed by Japanese surgeons were reviewed chronologically...
November 16, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27830441/successful-use-of-veno-venous-extracorporeal-membrane-oxygenation-as-a-bridge-to-lung-t-transplantation-in-a-patient-with-pulmonary-fibrosis
#4
Nao Umei, Shingo Ichiba, Masayuki Chida
As the Japanese organ donor allocation system does not permit the allocation of lungs at a priority level to patients on extracorporeal membrane oxygenation (ECMO), many of these patients die before suitable donor lungs become available. We report our first experience with ECMO as a bridge to lung transplantation (LTx) from a brain-dead donor. A 40-year-old man with interstitial lung disease who was listed for LTx 3 years previously, experienced progressive deterioration of respiratory function. He was mechanically ventilated at another hospital and was transported to our hospital due to severe hypoxemia...
November 9, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27796918/pulmonary-artery-reconstruction-with-a-tailor-made-bovine-pericardial-conduit-following-sleeve-resection-of-a-long-segmental-pulmonary-artery-for-the-treatment-of-lung-cancer-technical-details-of-the-dog-ear-method-for-adjusting-diameter-during-vascular-anastomosis
#5
Kimihiro Shimizu, Toshiteru Nagashima, Yoichi Ohtaki, Toru Takahashi, Akira Mogi, Hiroyuki Kuwano
Sleeve resection of the pulmonary artery (PA) is always required for lung-sparing operations in which half or more of the vessel circumference is infiltrated by the primary tumor or metastatic hilar nodes. Following sleeve resection, conduit reconstruction may be indicated if there is excessive distance between the two vascular stumps, because there is a high degree of tension when repaired by direct anastomosis. We herein present a case of PA reconstruction using a tailor-made bovine pericardial conduit after sleeve resection of PA during lung cancer surgery...
October 31, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27783213/a-prospective-randomized-study-of-inhaled-prostacyclin-versus-nitric-oxide-in-patients-with-residual-pulmonary-hypertension-after-pulmonary-endarterectomy
#6
Shinichiro Abe, Keiichi Ishida, Masahisa Masuda, Hideki Ueda, Hiroki Kohno, Kaoru Matsuura, Yusaku Tamura, Michiko Watanabe, Goro Matsumiya
OBJECTIVES: Pulmonary endarterectomy (PEA) is an effective treatment for chronic thromboembolic pulmonary hypertension (CTEPH), but postoperative residual hypertension leads to in-hospital mortality. Inhaled epoprostenol sodium (PGI2) and NO are administered for pulmonary hypertension after cardiothoracic surgery. This prospective study provides the first comparative evaluation of the effects of inhaled PGI2 and NO on pulmonary hemodynamics, systemic hemodynamics, and gas exchange in patients developing residual pulmonary hypertension after PEA...
October 25, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27783212/erratum-to-thoracic-and-cardiovascular-surgery-in-japan-during-2006-annual-report-by-the-japanese-association-for-thoracic-surgery
#7
Yuichi Ueda, Yoshitaka Fujii, Harushi Udagawa
No abstract text is available yet for this article.
October 25, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27778224/erratum-to-thoracic-and-cardiovascular-surgery-in-japan-during-2007-annual-report-by-the-japanese-association-for-thoracic-surgery
#8
Yuichi Ueda, Yoshitaka Fujii, Hiroyuki Kuwano
No abstract text is available yet for this article.
October 24, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27778223/mini-review-surgical-management-of-primary-chest-wall-tumors
#9
Takamasa Ito, Hidemi Suzuki, Ichiro Yoshino
Primary chest wall tumors (PCWTs) are relatively rare entities, and their clinical characteristics as well as appropriate treatments are not fully known. Previously reported studies, including ours, are reviewed here, taking into account the clinical approach and findings in Japan for the diagnosis, distribution of histological types, surgical procedures, and prognosis of these entities. Surgery for PCWTs comprised that approximately 0.7 % of surgeries in 2012 in Japan and 28.3 % of PCWTs were malignant with an extremely low rate of mortality within 30 days from surgery...
October 24, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27770384/nontuberculous-mycobacterial-disease-concomitant-with-a-pulmonary-artery-occlusion-caused-by-takayasu-s-arteritis
#10
Tomoshi Sugiyama, Koji Kawaguchi, Noriyasu Usami, Kohei Yokoi
We herein describe a surgical case of pulmonary involvement in Takayasu's arteritis with pulmonary infections of nontuberculous mycobacteria. A 24-year-old female was admitted to our hospital because of a recurrent fever, and contrast-enhanced computed tomography of the chest revealed the occlusion of the right pulmonary artery and cavitary lesions in the right lower lobe of the lung. A further examination of the neck revealed the occlusion of aortic branches, and the patient was diagnosed with Takayasu's arteritis...
October 21, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27744610/pitfalls-for-the-sandwich-technique-via-a-right-ventricular-incision-to-repair-post-infarction-ventricular-septal-defects
#11
Susumu Isoda, Kiyotaka Imoto, Keiji Uchida, Norihisa Karube, Keiichiro Kasama, Ichiya Yamazaki, Shinichi Suzuki, Yoshimi Yano, Yusuke Matsuki, Munetaka Masuda
BACKGROUND: We have reported "sandwich technique," via a right ventricular incision, to treat a post-infarction ventricular septal defect (VSD). This technique involves the placement of patches on both the left and right sides of the septum, pinching the VSD sealed with surgical adhesive between the two patches. In this study, we analyzed factors influencing 1-year mortality to determine the pitfalls in our procedure. METHODS: We evaluated 24 consecutive patients with post-infarction VSD who underwent the "sandwich technique" via a right ventricular incision...
October 15, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27738882/lobectomy-for-a-mediastinal-basal-pulmonary-artery
#12
Norikazu Kawai, Takeshi Kawaguchi, Motoaki Yasukawa, Takashi Tojo
Anatomical variations of the pulmonary artery increase the risks for vessel injury and critical mistakes during pulmonary artery resection. The mediastinal basal pulmonary artery is a rare branch abnormality and is the first branch of the pulmonary artery to flow into the basal segment. We report a patient who underwent video-assisted thoracic surgery (VATS) right lower lobectomy for lung cancer with a mediastinal basal pulmonary artery. The mediastinal basal pulmonary artery was detected preoperatively by computed tomography...
October 13, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27738881/prognostic-value-of-the-frequency-of-vascular-invasion-in-stage-i-non-small-cell-lung-cancer
#13
Satoshi Okada, Shinjiro Mizuguchi, Nobuhiro Izumi, Hiroaki Komatsu, Michihito Toda, Kantaro Hara, Takahiro Okuno, Toshihiko Shibata, Hideki Wanibuchi, Noritoshi Nishiyama
OBJECTIVES: There is no standard pathological method for determining vessel invasion in lung cancer. Herein, we examine whether vessel invasion can be accurately assessed using hematoxylin-eosin staining alone, and investigate the prognostic impact of the presence and frequency of vessel invasion in lung cancer. METHODS: Vessel invasion was assessed by hematoxylin-eosin, Victoria blue, and D2-40 in 251 completely resected stage I non-small cell lung cancer patients...
October 13, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27650660/attributable-harm-of-severe-bleeding-after-cardiac-surgery-in-hemodynamically-stable-patients
#14
J Trent Magruder, Stephen Belmustakov, Rika Ohkuma, Sarah Collica, Joshua C Grimm, Todd Crawford, John V Conte, William A Baumgartner, Ashish S Shah, Glenn R Whitman
BACKGROUND: We sought to quantify the effect of severe postoperative bleeding in hemodynamically stable patients following cardiac surgery. METHODS: We reviewed the charts of all cardiac surgery patients operated on at our institution between 2010 and 2014. After excluding patients with tamponade or MAP <60, we propensity matched patients having chest tube output >300 mL in the first postoperative hour, >200 mL in the second, and >100 mL in the third ("bleeding" group) with patients having <50 mL/h of chest tube output ("dry" group)...
September 20, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27650659/the-cannulation-strategy-in-surgery-for-acute-type-a-dissection
#15
Tomonobu Abe, Akihiko Usui
The rates of mortality and morbidity remain high in surgery for acute type A dissection. There is controversy regarding the best cannulation strategy for achieving good clinical results. Each cannulation technique has different anatomical characteristics and a different flow pattern inside the aorta during cardiopulmonary bypass. Some adverse, clinically important outcomes may be related to events at this time. Femoral artery cannulation, axillary artery cannulation, and central aortic cannulation are the three major cannulation strategies that are adopted in many centers in the world...
September 20, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27645146/predictive-factors-for-responders-to-tolvaptan-in-fluid-management-after-cardiovascular-surgery
#16
Takashi Kido, Hiroyuki Nishi, Koichi Toda, Takayoshi Ueno, Toru Kuratani, Masayuki Sakaki, Toshiki Takahashi, Yoshiki Sawa
OBJECTIVE: To identify the predictive factors for responders to tolvaptan, a novel vasopressin type 2 receptor antagonist for fluid management after cardiovascular surgery. METHODS: Between January 2013 and May 2014, 113 patients were treated with tolvaptan for fluid management after cardiovascular surgery. As indicators for the effects of tolvaptan, change in bodyweight during the tolvaptan administration period and correlations with perioperative factors were assessed...
September 19, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27640051/rare-mediastinal-leiomyoma-in-a-child
#17
Zubair Ashraf Hakeem, Shyam Singh Rathore, Abdul Wahid
Leiomyoma of the mediastinum is rare. They are thought to arise from the smooth muscle cells of the media of mediastinal vascular structures and structure containing smooth muscle. Most mediastinal leiomyomas are seen in association with oesophagus in the posterior mediastinum. We present a case of huge leiomyoma in a 1.5 years old male child arising in the lower anterior mediastinum with compression of heart, liver and deformity of rib cage. Median sternotomy and a separate concomitant right mini-thoracotomy was done and tumor excised...
September 17, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27638268/minimally-invasive-mitral-valve-surgery-through-a-right-mini-thoracotomy
#18
Taichi Sakaguchi
Since its introduction in the mid-1990s, minimally invasive mitral valve surgery (MIMVS) has been shown to be a feasible alternative to a conventional full-sternotomy approach, and several studies have reported excellent clinical outcomes with low perioperative morbidity and mortality. As a result, MIMVS is being increasingly employed as a routine procedure worldwide. On the other hand, several issues have been raised, including complications specific to this technique and its steep learning curve, while there are also concerns regarding the durability of a mitral valve repair through a limited access...
September 16, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27614691/a-potential-concomitance-of-papillary-fibroelastoma-in-the-case-with-cardiac-myxoma
#19
Tomohiro Takano, Takashi Kakuta, Shoichi Takahashi
An 84-year-old woman was referred to our hospital with a suspected cardiac tumor detected by transthoracic echocardiography performed as a preoperative examination of gastric cancer. In addition to a tumor in the left atrium, we found on cardiac ultrasound a 15-mm mobile tumor that adhered to the aortic valve. Gross findings and histological examination confirmed that the tumor in the left atrium was a cardiac myxoma, and that the tumor adhered to the aortic valve was a papillary fibroelastoma. We experienced a rare case where preoperative examination before gastrectomy accidentally revealed concomitant cardiac tumors...
September 10, 2016: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27613432/incidence-and-risk-factors-for-aspiration-pneumonia-after-cardiovascular-surgery-in-elderly-patients
#20
Eriko Miyata, Atsushi Tanaka, Hiroki Emori, Akira Taruya, Shinji Miyai, Nobuo Sakagoshi
OBJECTIVE: Pneumonia after cardiovascular surgery is the leading cause of mortality. Postoperative aspiration pneumonia becomes a critical issue in the management of cardiovascular surgery in the aging society. The aim of this study was to investigate the incidence and risk factors of aspiration pneumonia after cardiovascular surgery for elderly patients. METHODS: This study consisted of 123 elderly patients (>65 years old) who survived their final extubation following cardiovascular surgery at Kinan Hospital...
September 9, 2016: General Thoracic and Cardiovascular Surgery
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