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"Surgery methods"
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Trans-Oral Video-Assisted Neck Surgery (TOVANS). A new transoral technique of endoscopic thyroidectomy with gasless premandible approach
2013
Background
Endoscopic thyroidectomy is a well-established surgical technique. We have been utilizing precordial video-assisted neck surgery (VANS) with a gasless anterior neck skin lifting method. Recently, natural orifice transluminal endoscopic surgery (NOTES) has generated excitement among surgeons as potentially scar-free surgery. We developed an innovative gasless transoral technique for endoscopic thyroidectomy that incorporated the concept of NOTES in a VANS-technique.
Methods
Incision was made at the vestibulum under the inferior lip. From the vestibulum to the anterior cervical region, a subplatysmal tunnel in front of the mandible was created and cervical skin was lifted by Kirschner wires and a mechanical retracting system. This method without CO
2
insufflation created an effective working space and provided an excellent cranio-caudal view so that we could perform thyroidectomy and central node dissection safely.
Results
Beginning with our first clinical application of TOVANS in September 2009, we have performed eight such procedures. Three of the eight patients had papillary microcarcinoma and received central node dissection after thyroidectomy. All patients began oral intake 1 day after surgery. The sensory disorder around the chin persisted more than 6 months after surgery in all patients. Recurrent laryngeal nerve palsy revealed in one patient. Nobody had mental nerve palsy, and no infection developed with use of preventive antibacterial tablets for 3 days.
Conclusions
We developed a new method for gasless transoral endoscopic thyroidectomy with a premandible approach and anterior neck-skin lifting. TOVANS makes possible complete endoscopic radical lymphadenectomy for papillary thyroid cancer. We believe that this method is innovative and progressive and has not only a cosmetic advantage but also provides easy access to the central node compartment for dissection in endoscopic thyroid cancer surgery.
Journal Article
Plastic surgery
\"This book provides a complete history of plastic surgery, a description of the modern techniques and choices available, and an overview of the controversies surrounding the choice to voluntarily change your physical appearance\"--Provided by publisher.
Conversion Surgery for Gastric Cancer with Peritoneal Metastasis Based on the Diagnosis of Second-Look Staging Laparoscopy
by
Nakamura, Masaki
,
Kato, Tomoya
,
Tsuji, Toshiaki
in
Adenocarcinoma - diagnosis
,
Adenocarcinoma - secondary
,
Adenocarcinoma - surgery
2019
Background
Patients with positive peritoneal cytology (CY1) or peritoneal dissemination (P1) have significantly poor prognosis. We performed pre-therapeutic staging laparoscopy (SL) to diagnose peritoneal metastasis for patients with advanced gastric cancer. When peritoneal metastasis disappears by chemotherapy for patients with CY1 or P1, we have intention to perform conversion surgery (CS). This study aims to clarify the clinical significance of CS for such patients.
Methods
We retrospectively analyzed clinical outcomes of 115 patients with advanced gastric cancer (large type 3, type 4, serosa-invasion) who underwent SL between 2005 and 2014. Disappearance of peritoneal metastasis was confirmed by second-look SL.
Results
CY0P0, CY1P0, and P1 were found in 56, 26, and 33 patients, respectively. In patients with CY1P0, 12 patients (66.7%) underwent CS (R0) as peritoneal cytology turned negative. All cases received S-1-based regimens, with median five treatment courses. The survival of patients with CS was significantly longer than those without CS (median survival time (MST); 41 vs. 11 months, respectively,
P
< 0.001). We observed no difference in overall survival between patients who underwent CS and patients with CY0P0 at the first SL (
P
= 0.913). All patients with P1 received chemotherapy. As peritoneal metastasis of five patients (15.2%) disappeared by chemotherapy, those patients underwent the CS (R0). The survival of patients who underwent CS was significantly longer than those who did not (MST; 31 vs. 10 months, respectively,
P
= 0.034).
Conclusion
This study suggests that conversion surgery contributes to improvement in survival of patients with peritoneal metastasis.
Journal Article
TransAnal Minimally Invasive Surgery (TAMIS) with SILS™ Port versus Transanal Endoscopic Microsurgery (TEM): a comparative experimental study
by
Arolfo, Simone
,
Rimonda, Roberto
,
Salvai, Alessandro
in
Abdominal Surgery
,
Colorectal Surgery - education
,
Colorectal Surgery - methods
2013
Background
TransAnal Minimally Invasive Surgery (TAMIS) has been proposed as an alternative to Transanal Endoscopic Microsurgery (TEM) for resection of benign polyps and early cancers of rectum. Since clinical application has begun in the absence of any experimental validation, we assessed its feasibility and efficacy ex vivo in a pilot study.
Methods
In a dedicated trainer box for transanal procedures, 10 surgeons with no experience in transanal surgery were asked to perform a dissection/suture task using both TAMIS and TEM in randomly allocated order. Surgeons were asked to dissect two identically drawn lesions of ~3 cm in larger diameter. Precision of dissection was assessed using a quantitative photographic method, while the time needed for dissection and suturing was considered a measure of quantitative evaluation. Each participant expressed a subjective opinion regarding difficulty with dissection, difficulty with suturing, vision quality, and conflict between instruments on a scale from 1 to 5.
Results
No difference was observed between the two techniques regarding the accuracy of dissection as the margin was interrupted along 4.1 % of the circumference in the TEM group compared with 2.48 % in the SILS group (
P
= 0.271). Dissection and suturing were significantly quicker in the TEM group [04:30 vs. 06:35 min (
P
= 0.049) and 14:34 versus 19:18 min (
P
= 0.003)]. In three cases in the SILS group, completing the suture was not considered possible, and the procedures were terminated by TEM. Subjective evaluation revealed a better appreciation of TEM in all proposed comparisons: dissection (2.6 vs. 3.5,
P
= 0.004), suturing difficulty (3.1 vs. 4.6,
P
< 0.001), quality of vision (2.3 vs. 2.8,
P
= 0.18), and instrument conflicts (3.1 vs. 4.0,
P
= 0.054).
Conclusions
In the ex vivo setting, both techniques were comparable for achieving a good dissection, although TAMIS failed to prove effective in suturing the rectal wall. Moreover, TEM was significantly quicker despite the small groups and was better appreciated by the surgeons.
Journal Article
Utilization of Body Contouring Procedures Following Weight Loss Surgery: A Study of 37,806 Patients
by
Spaniolas, Konstantinos
,
Talamini, Mark
,
Park, Jihye
in
Abdominoplasty - methods
,
Abdominoplasty - rehabilitation
,
Abdominoplasty - statistics & numerical data
2017
Background
Bariatric surgery has substantial health benefits; however, some patients desire body contouring (BC) procedures following rapid weight loss. There is a paucity of data regarding the true rate of BC following bariatric procedures. The purpose of our study is to examine the utilization of two common procedures, abdominoplasty, and panniculectomy, following bariatric surgery in New York State.
Methods
The SPARCS longitudinal administrative database was used to identify bariatric procedures by using ICD-9 and CPT codes between 2004 and 2010. Procedures included sleeve gastrectomy, Roux-en-Y gastric bypass, and laparoscopic adjustable gastric banding. Using a unique patient identifier, we tracked those patients who subsequently underwent either abdominoplasty or panniculectomy with at least a 4-year follow-up (until 2014). Multivariable Cox proportional hazard model was used to evaluate predictors of follow-up BC surgery.
Results
37,806 patients underwent bariatric surgery between 2004 and 2010. Only 5.58% (
n
= 2112) of these patients subsequently had a BC procedure, with 143 of them (6.8%) having ≥1 plastic surgery. The average time to plastic surgery after band, bypass, or sleeve was 1134.83 ± 671.09, 984.70 ± 570.53, and 903.02 ± 497.31 days, respectively (
P
< 0.0001). Following the multivariable Cox proportional hazard model, a female, SG patients, patients with Medicare or Medicaid, and patients in either <20 or >80%ile in yearly income were more likely to have plastic surgery after adjusting for age, race/ethnicity, comorbidities and complications (
P
values < 0.0001).
Conclusions
This study shows that plastic surgery is completed by only 6% of patients following bariatric procedures. As insurance and income are associated with pursuing surgery, improved access may increase the number of patients who are able to undergo these reconstructive procedures.
Journal Article
Optimal monitor positioning and camera rotation angle for mirror image: overcoming reverse alignment during laparoscopic colorectal surgery
by
Kanaji, Shingo
,
Nakamura, Tetsu
,
Hasegawa, Hiroshi
in
Cameras
,
Colon - diagnostic imaging
,
Colon - pathology
2019
Mirror image is one of the most difficult situations that the assistant surgeon encounters in laparoscopic colorectal surgery. The aim of the present study was to investigate whether task performance with mirror images improves by changing the position of the monitor and the rotation angle of the camera. Twenty-four surgeons performed the task under different conditions: Coaxial image (C), Mirror image (M), Mirror image + Monitor on the left side of participants (M + Mon), Mirror image + Camera rotated 90 degrees to the right (M + Cam), and Mirror image + Monitor on the left side + Camera rotated to the right (M + Mon + Cam) in a training box. The outcome measure was the mean time for completing the task. The mean time for completing the task, in decreasing order, was M (111.4 ± 58.9 seconds) > M + Mon (70.5 ± 29.4 seconds) > M + Cam (47.1 ± 17.1 seconds) > M + Mon + Cam (33.4 ± 10.3 seconds) > C (20.5 ± 3.5 seconds). (multivariable analysis of variance (MANOVA), p = 7.9 × 10
) Task performance with mirror images improved by changing the monitor positioning and camera rotation angle. This novel method is a simple way to overcome mirror image in laparoscopic colorectal surgery.
Journal Article