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anatomic segmentectomy

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https://www.readbyqxmd.com/read/29119018/metastasectomy-in-pediatric-patients-indications-technical-tips-and-outcomes
#1
REVIEW
Paolo Scanagatta, Lara Girelli
Pulmonary metastasectomy has become a standard procedure for pediatric patients with certain types of solid tumors. Surgeons, expert pediatric oncologists and radiation oncologists contribute with their different skills to the management of pulmonary metastases. Patients are usually scheduled for surgery in case of primary tumor control, in absence of metastases in other organs and when a complete resection is achievable. Nodules are removed through precision resections using electrocautery or laser methods in order to ensure radical surgery with adequate margins...
October 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29078698/needlescopic-assisted-uniportal-video-assisted-thoracoscopic-pulmonary-anatomical-segmentectomy
#2
Shun-Mao Yang, Wen-Ting Wu, Yu-Hsuan Liu, Huan-Jang Ko
BACKGROUND: Pulmonary segmentectomy can be an oncologic equivalent of lobectomy for small non-small cell lung cancer. Uniportal video-assisted thoracoscopic surgery (VATS) has recently showed favorable surgical outcomes, but remains technical demanding, especially in a complex procedure like anatomic segmentectomy. This manuscript demonstrates the surgical techniques for uniportal VATS segmentectomies with the assistance of additional needlescopic instruments. METHODS: Data of 22 consecutive patients who underwent 24 needlescopic-assisted uniportal VATS segmentectomies between December 2016 and June 2017 was analyzed...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078683/anatomic-thoracoscopic-segmentectomy-for-early-stage-lung-cancer
#3
REVIEW
Chi-Fu Jeffrey Yang, Zachary W Fitch, S Scott Balderson, John Z Deng, Thomas A D'Amico
Over the past 20 years, there have been significant advancements in thoracoscopic surgical techniques as well as in lung cancer screening protocols, which have identified greater numbers of smaller lung tumors (<2 cm) that are more frequently operable and curable. These advancements have led to new interest in the thoracoscopic (VATS) approach to segmentectomy. This article will discuss the outcomes and technical considerations associated with VATS segmentectomy.
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078680/nonintubated-uniportal-vats-pulmonary-anatomical-resections
#4
REVIEW
Carlos Galvez, Jose Navarro-Martinez, Sergio Bolufer, Francisco Lirio, Julio Sesma, Juan Manuel Corcoles
Nonintubated procedures have widely developed during the last years, thus nowadays major anatomical resections are performed in spontaneously breathing patients in some centers. In an attempt for combining less invasive surgical approaches with less aggressive anesthesia, nonintubated uniportal video-assisted thoracic surgery (VATS) lobectomies and segmentectomies have been proved feasible and safe, but there are no comparative trials and the evidence is still poor. A program in nonintubated uniportal major surgery should be started in highly experienced units, overcoming first a learning period performing minor procedures and a training program for the management of potential crisis situations when operating on these patients...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078674/single-incision-video-assisted-thoracoscopic-surgery-left-lower-lobe-anterior-segmentectomy-s8
#5
Carlos Galvez, Francisco Lirio, Julio Sesma, Benno Baschwitz, Sergio Bolufer
Unusual anatomical segmentectomies are technically demanding procedures that require a deep knowledge of intralobar anatomy and surgical skill. In the other hand, these procedures preserve more normal lung parenchyma for lesions located in specific anatomical segments, and are indicated for benign lesions, metastasis and also early stage adenocarcinomas without nodal involvement. A 32-year-old woman was diagnosed of a benign pneumocytoma in the anterior segment of the left-lower lobe (S8, LLL), so we performed a single-incision video-assisted thoracoscopic surgery (SI-VATS) anatomical S8 segmentectomy in 140 minutes under intercostal block...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078662/how-to-demarcate-intersegmental-plane-with-resected-segments-inflation-method-using-the-slip-knot-technique-in-thoracoscopic-anatomic-segmentectomy
#6
Makoto Endoh, Hiroyuki Oizumi, Hirohisa Kato, Jun Suzuki, Hikaru Watarai, Akira Hamada, Katsuyuki Suzuki, Satoshi Shiono
Intersegmental demarcation line on the surface of the visceral pleura could not be found at thoracoscopic findings. The resected segments inflation (RSI) method has been reported as a useful technique for visualizing the intersegmental demarcation line during segmentectomy. Thoracoscopic anatomic segmentectomy is performed as follows: firstly, the pulmonary vein and artery of the segment planned for resection are dissected from the hilum in order to isolate the segmental bronchus located behind the pulmonary artery...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078653/uniportal-anatomic-combined-unusual-segmentectomies
#7
Diego González-Rivas, Francisco Lirio, Julio Sesma
Nowadays, sublobar anatomic resections are gaining momentum as a valid alternative for early stage lung cancer. Despite being technically demanding, anatomic segmentectomies can be performed by uniportal video-assisted thoracic surgery (VATS) approach to combine the benefits of minimally invasiveness with the maximum lung sparing. This procedure can be even more complex if a combined resection of multiple segments from different lobes has to be done. Here we report five cases of combined and unusual segmentectomies done by the same experienced surgeon in high volume institutions to show uniportal VATS is a feasible approach for these complex resections and to share an excellent educational resource...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078645/planning-video-assisted-thoracic-surgery-segmentectomy-using-three-dimensional-computed-tomography-angiography-and-bronchography-with-a-virtual-safety-margin
#8
Shingo Iwano
In segmentectomy using video-assisted thoracic surgery (VATS), surgeons view the operative field on a 2-dimensional video monitor. The lack of ability to palpate organs directly frequently leads to difficulties in evaluating anatomic relations. Three-dimensional computed tomography angiography and bronchography (3D-CTAB) using a virtual 3D safety margin enables thoracic surgeons to recognize the distance and positional relation between the primary tumor and intersegmental veins. It also helps with surgical planning, allowing the surgeon to secure an adequate safety margin around the primary tumor...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078643/indocyanine-green-fluorescence-navigated-thoracoscopic-anatomical-segmentectomy
#9
Mingyon Mun, Sakae Okumura, Masayuki Nakao, Yosuke Matsuura, Ken Nakagawa
BACKGROUND: To evaluate the feasibility and efficacy of thoracoscopic anatomical segmentectomy (TS-S) using three-dimensional computed tomography (3D-CT) reconstruction and indocyanine green-fluorescence (ICGF) navigation. METHODS: Twenty TS-S procedures were performed for 15 primary lung cancers and 5 metastatic lung tumors. Preoperatively we evaluated the target segmental pulmonary artery and created a virtual intersegmental plane using 3D-CT reconstruction. Intraoperatively, the target segmental artery and bronchus were divided, and after intravenous systemic injection of indocyanine green (ICG, 0...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078635/swine-model-for-training-surgeons-in-minimally-invasive-anatomic-lung-segmentectomy
#10
Hiroyuki Oizumi, Hirohisa Kato, Makoto Endoh, Jun Suzuki, Hikaru Watarai, Akira Hamada, Katsuyuki Suzuki, Kenta Nakahashi, Mitsuaki Sadahiro
BACKGROUND: Despite the increasing demand for thoracoscopic lung segmentectomy, the appropriate training method is not well established. Therefore, we developed a swine model for anatomical thoracoscopic lung segmentectomy training. METHODS: Three-month-old pigs, weighing 40 to 45 kg, were used in this model. Anterior segmentectomy of the left cranial lobe and segmentectomy of the most anterior left caudal lobe were performed under general anesthesia and differential ventilation...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078611/non-intubated-uniportal-left-lower-lobe-upper-segmentectomy-s6
#11
Carlos Galvez, Jose Navarro-Martinez, Sergio Bolufer, Julio Sesma, Francisco Lirio, Maria Galiana, Maria Jesus Rivera
Worldwide accepted indications of anatomical segmentectomies are mainly early stage primary adenocarcinomas, pulmonary metastasis and benign conditions. Their performance through uniportal VATS has become more and more popular due to the less invasiveness of the whole procedure under this approach. Recently, many efforts have focused on non-intubated spontaneously breathing management of lobectomies and anatomical segmentectomies, although specific selection criteria and main advantages are not completely standardized...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29078584/anatomical-video-assisted-thoracoscopic-surgery-segmentectomies-based-on-the-three-dimensional-reformation-images
#12
Qianli Ma, Tong Bao, Haitao Zhang, Chaoyang Liang, Deruo Liu
Segmentectomy was first done in 1939 by Churchill and Belsey in 1939. Video-assisted thoracoscopic surgery (VATS) segmentectomies are still more technically challenging than VATS lobectomies. With the increasing rate of early stage lung carcinomas, the thoracoscopic segmentectomies may have a major role in a near future. Four anatomical VATS segmentectomy videos clips were shared in this study. CT three-dimensional reformation could exactly show the small pulmonary nodule's precise position, clarifies the surrounding structures' relationship like the pulmonary artery (PA), pulmonary vein (PV), bronchus (B), fissure, and lymph nodes...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29070582/lung-segmentectomy-does-it-offer-a-real-functional-benefit-over-lobectomy
#13
REVIEW
Anne Charloux, Elisabeth Quoix
Anatomical segmentectomy has been developed to offer better pulmonary function preservation than lobectomy, in stage IA lung cancer. Despite the retrospective nature of most of the studies and the lack of randomised studies, a substantial body of literature today allows us to evaluate to what extent lung function decreases after segmentectomy and whether segmentectomy offers a real functional benefit over lobectomy. From the available series, it emerges that the mean decrease in forced expiratory volume in 1 s (FEV1) is low, ranging from -9% to -24% of the initial value within 2 months and -3 to -13% 12 months after segmentectomy...
December 31, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/29058368/modified-method-for-distinguishing-the-intersegmental-border-for-lung-segmentectomy
#14
Jun Wang, XinFeng Xu, Wei Wen, WeiBing Wu, Quan Zhu, Liang Chen
This paper analyzed the results of a modified and simpler technique for distinguishing the intersegmental border during lung segmentectomy surgery. From January 2013 to December 2015, 539 patients with screening-detected lung nodules <2 cm in maximum diameter underwent anatomic segmentectomy. With the guidance of preoperative three-dimensional computed tomography bronchography and angiography, the bronchus, artery, and intrasegmental vein of the targeted segment could be precisely dissected under unilateral differential ventilation, and then intersegmental demarcation was confirmed by the modified inflation-deflation method...
October 23, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/29054241/thoracoscopic-subsuperior-segment-segmentectomy
#15
Kimihiro Shimizu, Akira Mogi, Toshiki Yajima, Toshiteru Nagashima, Yoichi Ohtaki, Kai Obayashi, Seshiru Nakazawa, Takayuki Kosaka, Hiroyuki Kuwano
To date, anatomic subsuperior segment (S∗) segmentectomy has not yet been reported. Herein we report the technical details of thoracoscopic anatomic S∗ segmentectomy and the anatomic features of the S∗.
November 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29054240/thoracoscopic-medial-basal-segment-segmentectomy
#16
Kimihiro Shimizu, Toshiteru Nagashima, Toshiki Yajima, Yoichi Ohtaki, Kai Obayashi, Seshiru Nakazawa, Takayuki Kosaka, Akira Mogi, Hiroyuki Kuwano
The technical details and anatomic features of medial-basal segment (S(7)) segmentectomy have not been reported. We report here thoracoscopic S(7) segmentectomy and S(7)a subsegmentectomy and explain the anatomic knowledge necessary to perform S(7) segmentectomy, especially the importance of recognizing bronchus (B(7)) branching patterns before surgery.
November 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29049609/usefulness-of-near-infrared-angiography-for-identifying-the-intersegmental-plane-and-vascular-supply-during-video-assisted-thoracoscopic-segmentectomy
#17
Sébastien Guigard, Frédéric Triponez, Benoit Bédat, Jordi Vidal-Fortuny, Marc Licker, Wolfram Karenovics
OBJECTIVES: Segmentectomy by video-assisted thoracoscopic surgery (VATS) permits anatomical resection for diagnosis and treatment of small lung nodules but requires that intersegmental planes and segmental vessels be identified accurately. Near-infrared angiography with systemic injection of indocyanine green (ICG) can precisely identify the intersegmental plane. The purpose of this study was to confirm the usefulness of ICG angiography during VATS segmentectomy. METHODS: We retrospectively reviewed the records of 22 consecutive patients who underwent VATS segmentectomy performed with near-infrared angiography between November 2014 and October 2015...
November 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28977356/prolonged-intravenous-indocyanine-green-visualization-by-temporary-pulmonary-vein-clamping-real-time-intraoperative-fluorescence-image-guide-for-thoracoscopic-anatomical-segmentectomy
#18
Atsushi Ito, Motoshi Takao, Akira Shimamoto, Hideto Shimpo
The real-time endoscopic colour and fluorescence-merged imaging system, using intravenous injection of indocyanine green (ICG), allows a clear surgical view, which facilitates identification of the pulmonary inter-segmental plane in thoracoscopic surgery. However, the staining time is too short to mark and cut the intersegmental plane, because the mean washout time of ICG is only a few minutes in the clinical setting. To overcome this limitation, we have developed a new technique for prolongation of ICG staining time...
July 17, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28969898/unplanned-procedures-during-thoracoscopic-segmentectomies
#19
Dominique Gossot, Jon Andri Lutz, Madalina Grigoroiu, Emmanuel Brian, Agathe Seguin-Givelet
BACKGROUND: Thoracoscopic sublobar resections (TSLRs) are gaining popularity, but are challenging. However, despite technical difficulties, the reported rate of adverse events, complications, and unplanned procedures is low. To understand this paradox, we have studied our series of TSLRs. METHODS: We reviewed our prospective and intention-to-treat database on videothoracoscopic anatomical resections and extracted all planned thoracoscopic segmentectomies from January 2007 to July 2016...
November 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28935510/intraoperative-computed-tomography-navigation-during-thoracoscopic-segmentectomy-for-small-sized-lung-tumors
#20
Sung Soo Chang, Taku Okamoto, Yoshimasa Tokunaga, Takayuki Nakano
Performance of thoracoscopic pulmonary segmentectomy for primary lung cancer or pulmonary metastases has recently increased. In patients with emphysema, identification of the intersegmental line is often difficult. For nonpalpable lesions, securing a sufficient surgical margin is more likely to be uncertain. The purpose of this study was to evaluate the efficacy of intraoperative computed tomography (CT) scan during video-assisted thoracoscopic surgery (VATS) pulmonary segmentectomy. This study included 12 patients who underwent intraoperative CT-assisted VATS segmentectomy between January 2015 and August 2016...
August 24, 2017: Seminars in Thoracic and Cardiovascular Surgery
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