Journal of Laparoendoscopic & Advanced Surgical Techniques (J LAPAROENDOSC ADV S )

Publisher: Mary Ann Liebert


A bimonthly peer-reviewed journal for practicing surgeons on the surgical techniques that encompass laparoscopy, endoscopy, and advanced surgical technology in all surgical disciplines. It is the first journal to focus on these techniques both in general surgery and in areas of specialization which include gastroenterology, gynecology, ENT, and cardiovascular and thoracic surgery.

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    Journal of Laparoendoscopic & Advanced Surgical Techniques website
  • Other titles
    Journal of laparoendoscopic & advanced surgical techniques. Part A, Journal of laparoendoscopic and advanced surgical techniques
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    Journal / Magazine / Newspaper, Internet Resource

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Mary Ann Liebert

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Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: Abstract Background: The impact of preoperative chemoradiation treatment (CRT) on outcomes after esophagectomy is still debated. The choice of surgical approach can also be influenced by this treatment modality, including the performance of minimally invasive esophagectomy (MIE), a technically demanding procedure. We sought to examine the outcomes of MIE after CRT. Materials and Methods: We conducted a retrospective analysis of consecutive MIEs performed at two institutions from June 2004 to January 2010. We analyzed the effect of CRT on perioperative results, including pulmonary complications, oncological outcomes, length of stay, and mortality. Results: In total, 126 patients were eligible for the study. Six patients (4.8%) were converted from MIE to an open approach and were excluded from the analysis. Of the 120 patients, 98 were male (82%), mean age was 62±13 years (range, 22-88 years), and 58 underwent CRT (48%) (Group 1). Comparing both groups, the incidence of pneumonia (9 versus 11), recurrent laryngeal nerve injury (3 versus 5), anastomotic leaks (4 versus 9), number of harvested lymph nodes (16±9 versus 18±9), and R0 resection margins (53/58 versus 61/62) was comparable (Group 1 versus Group 2, respectively; P=not significant). There was a trend toward more pleural effusions in Group 1 (10 versus 4, P=.09). Median length of stay was comparable between both groups (10±11 versus 11±7 days). There were three operative deaths, exclusively in Group 1 (P=.11). Conclusions: MIE can be safely performed after CRT in the management of esophageal cancer, with a low conversion rate. Outcomes seem comparable regardless of preoperative CRT.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 09/2014;
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    ABSTRACT: Abstract Purpose: To evaluate surgical outcomes of laparoscopic pyelolithotomy (LP) and percutaneous nephrolithotomy (PCNL) in managing multiple renal stones in various parts of the pelvocalyceal system.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 09/2014; 24(9):634-9.
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    ABSTRACT: Abstract Background: After ileocolic resection in Crohn's disease, studies concerning the influence of the laparoscopic or open approach on clinical and endoscopic recurrences are scarce.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 09/2014; 24(9):617-22.
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    ABSTRACT: Abstract Background: Although cosmetic superiority is widely stated as an advantage of single-incision laparoscopy, there are limited studies looking at cosmetic outcome. We sought to determine patients' cosmetic satisfaction after undergoing appendectomy by the single-incision laparoscopic appendectomy (SILA), multiport laparoscopic appendectomy (LA), or open appendectomy (OA) procedure.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 08/2014; 24(8):584-8.
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    ABSTRACT: Abstract Introduction: This study aimed to assess the safety and effectiveness of covered self-expanding metal stents for the treatment of nonvariceal esophageal bleeding in patients for whom routine therapies have failed. Patients and Methods: A retrospective analysis was conducted on patients with esophageal bleeding in our hospital. Data on hemostatic effects and complications were collected from patients who underwent esophageal stenting. Results: In total, 4 patients were treated with five stents. In all 4 patients, the placement of esophageal stents immediately stopped the ongoing bleeding. One patient experienced recurrent bleeding 4 days after the removal of the first stent. Hemostasis was achieved after the insertion of a second stent. No stent-related complications occurred during or after stent implantation in the other 3 patients. Conclusions: The implantation of a covered self-expandable metal stent is a safe and effective alternative to treat acute, nonvariceal esophageal bleeding after routine therapies have failed.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 07/2014;
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    ABSTRACT: Abstract Introduction: The objective of this study was to determine whether or not a navigation grid (NG) with a coordinate system overlaid on a laparoscopic display might allow attending surgeons to more easily and precisely direct their assistants' instruments to specific sites in a simulated laparoscopic field. Materials and Methods: In this randomized, crossover study, we evaluated the impact of the NG on an individual's performance in a target identification task. One hundred thirty pins served as targets in a standard laparoscopic box trainer. An instructor guided 30 naive subjects to locate five randomly selected targets each, either with verbal instructions alone or with verbal instructions supplemented by a localizing NG. The NG appeared on both the instructor's and the participants' monitors, but the randomly selected targets were visible only to the instructor. Each participant performed 10 trials alternating between with and without the NG. The outcome measure was the interval (in seconds) from when the laparoscopic instrument was first visible in the field to when the subject grasped the correct target with forceps. Results: The mean time to identify each selected target was significantly shorter with the NG (9.150±3.43 seconds) than without (12.53±4.89 seconds) (P<.0001). This effect was sustained throughout the learning curve. Conclusions: The use of the NG appears to improve efficiency in guiding an instrument to randomly identified targets within a laparoscopic field. The use of an NG may reduce the time required to move instruments to specific sites during surgery.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 07/2014;
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    ABSTRACT: Abstract Background: Mesenteric vascular ligation is a critical step in minimally invasive colorectal surgery. This study assessed the quality of in vivo and ex vivo sealing of the human inferior mesenteric artery (IMA), as well as the relation of IMA stump and bursting pressure. Patients and Methods: This was a prospective experimental study in a tertiary-care teaching hospital. In total, 25 patients were included in the study. For the main outcome measures, bursting pressures were measured for each specimen. Ten freshly sealed specimens were histologically assessed for seal quality and lateral thermal damage. Results: We evaluated 54 specimens from 25 patients for bursting pressure, of which 25 were primary sealed vessels (sealed in vivo at surgery) and 29 were secondary sealed vessels (sealed in the laboratory). The mean bursting pressure was 862 mm Hg. The mean diameter was 4 mm (range, 3-5 mm) with a standard deviation of 1 mm. Pearson correlation showed no correlation between diameter and bursting pressure (P=.187) or the length and bursting pressure (P=.247). There was no statistically significant difference in bursting pressures in the four groups of vessels based on length. One calcified vessel had a significantly lower bursting pressure of 89 mm Hg. There was no intraoperative or postoperative bleeding. Ten sealed specimens were sent for histological evaluation, which showed mean lateral thermal damage of 0.57 mm (range, 0-1.75 mm). Conclusions: The bursting pressure in IMAs sealed with a bipolar device is significantly higher than physiological pressures; thus, the device can be safely used in sealing the vessel during colorectal surgery. Additionally, the length of the vessel stump does not correlate with the bursting pressures. Care needs to be taken when the vessel is calcified, which can be a potential cause of a weak seal.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 07/2014; 24(7):471-4.
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    ABSTRACT: Abstract Objective: To retrospectively evaluate the safety and feasibility of endoscopic submucosal dissection (ESD) for the treatment of early gastric cancer (EGC) in elderly patients ≥75 years of age. Patients and Methods: One hundred seventy-one patients (187 lesions) treated with ESD from January 2010 to September 2013 were enrolled in our study. Subjects were classified into two groups: elderly (age ≥75 years) or non-elderly (age <75 years). Clinicopathological characteristics, resectability, curability, complications, rates of local recurrence, and residual disease were evaluated. Association of clinicopathological characteristics of the lesions with immediate bleeding was analyzed. Results: No significant differences in clinical characteristics were observed. The incidences of comorbidity were significantly different between the elderly group and the non-elderly group (P<.001). Of the elderly patients, 54.3% had two or more underlying diseases compared with 18.4% of the non-elderly patients (P<.001). Of the 98.0% of elderly patients and 97.1% of younger patients who received en bloc resection, curative resection reached 94.1% and 96.3%, respectively. Immediate bleeding occurred in 15.2% of the elderly group and 4.8% of the non-elderly group (P=.044). Operation time differed significantly (P=.039). No apparent discrepancy was observed in perforation and delayed bleeding. The differences in the invasion depth were considered between the two groups (P=.001). Logistic regression analysis revealed that the rate of immediate bleeding was associated with invasion depth (P=.003). There were no differences in the follow-up period and rates of local recurrence and residual disease. Conclusions: ESD is safe and feasible for elderly patients in the era of a graying population. Higher risk of immediate bleeding and longer operation time should be concerned.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 06/2014; 24(6):391-398.
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    ABSTRACT: Abstract Aim: Natural orifice translumenal endoscopic surgery (NOTES(®); American Society for Gastrointestinal Endoscopy [Oak Brook, IL] and Society of American Gastrointestinal and Endoscopic Surgeons [Los Angeles, CA]) is a new approach that allows surgical manipulations and specimen extractions through the natural orifices such as the vagina. There have been limited numbers of cases about the adaptation of NOTES for ventral hernia repairs. Here, we aimed to present two more cases and highlight our technical differences compared with the previously reported instances. Patients and Methods: Two patients (43 and 46 years old; body mass index of 29 and 30 kg/m(2), respectively) were treated with hybrid transvaginal incisional hernia repairs. Two 5-mm abdominal trocars were used to monitor transvaginal access, adhesiolysis, dissection of the hernia, and tuckering of the mesh. A 15-mm transvaginal trocar was used for scope and mesh introduction into the abdomen. Defects were 3-5 cm in diameter. Results: A rigid 5-mm laparoscope was used. The composite synthetic meshes were, respectively, 11 and 13 cm in diameter. These were passed through the vagina without any protection such as a bag or sheath. No conversion or additional port was required. Respective operative times were 120 and 180 minutes, and the patients were discharged uneventfully on the second day. One patient had seroma, which was managed conservatively (aspiration of 20 mL on Day 7). There were no recurrences after 7 and 13 months, respectively. Conclusions: Conventional laparoscopic equipment can be used for hybrid transvaginal incisional hernia repair. An anti-adhesive synthetic mesh can be inserted through the vaginal trocar without protective devices. The main advantage of this technique is to avoid 10-15-mm abdominal trocars, which increase the risk of trocar-site hernias themselves.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 05/2014;
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    ABSTRACT: PURPOSE: As the interest in minimal invasive surgery has turned to single-site access surgery, single-incision laparoscopic surgery (SILS) is becoming popular. Recently limited numbers of pediatric SILS series have been published. SILS needs nonconventional three-lumen ports and articulated working instruments. However, it is possible to perform single-port laparoscopic cholecystectomy using a single conventional port and conventional working instruments. We herein present our preliminary experience with cholecystectomy conducted with single-port incisionless-intracorporeal conventional equipment-endoscopic surgery. SUBJECTS AND METHODS: During December 2009-October 2012, 27 patients (12 boys, 15 girls) underwent single-port incisionless-intracorporeal conventional equipment-endoscopic cholecystectomy. A 10-mm 0° scope with a parallel eye piece and an integrated 6-mm working channel is inserted through an 11-mm "conventional umbilical port." Conventional working instruments were introduced through the integrated working channel. The fundus of the gallbladder is hung with a transabdominal sling suture. The infundibulum is retracted laterally to expose the triangle of Calot with a second transabdominal sling suture. Then the cystic duct and the artery are dissected and clipped separately. The gallbladder is dissected from the liver bed with monopolar cautery and extracted through the umbilicus. RESULTS: The patients were 5-17 years of age (mean, 10.7±4.6 years). Cholecystectomy was performed through a single port in 23 patients. A second port insertion was necessary in 4 patients. No preoperative or postoperative complications were encountered. Mean operating time was 74.3±13 minutes. CONCLUSIONS: Single-port incisionless-intracorporeal conventional equipment-endoscopic cholecystectomy is feasible in pediatric patients with reasonable operating times. It is a safe, cheap, and highly minimal invasive procedure with excellent cosmetic results.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 07/2013; 23(8):732-728.
  • Journal of Laparoendoscopic & Advanced Surgical Techniques 01/2013;
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    ABSTRACT: Abstract Objective: What is the impact of the omental wadding technique on decreasing the incidence of recurrence after laparoscopic decortication of the symptomatic simple renal cyst? This is the question we are trying to answer through this study. Patients and Methods: This is a cohort study of 14 consecutive patients who underwent transperitoneal laparoscopic decortication of a symptomatic simple renal cyst with the omental wadding technique between November 2007 and November 2011. The indication for surgery was for relief of pain in all cases. Pain was assessed preoperatively and at 1 month and every 6 months postoperatively using a pain numerical rating scale. Only simple cysts (Bosniak I and II) more than 10 cm in their greatest dimension were included in this study. Patients with complicated cysts (Bosniak III and IV) and those with cysts less than 10 cm in their greatest dimension were excluded from this study. Patients were 7 men and 7 women with a mean age of 47 years (range, 35-63 years), and the mean body mass index was 27 kg/m(2). Laparoscopic decortication was the primary treatment in 11 cases and the secondary treatment in 3 cases after sclerotherapy. We used the omental wadding technique to try to fill the cavity after decortication to decrease the incidence of recurrence with simple laparoscopic decortication reported in other series. We reviewed the preoperative and postoperative data. Results: The operation was successfully completed laparoscopically in all cases with a mean operative time of 97 minutes without major perioperative complications. Hospital stay was 2.4 days (range, 2-4 days). All cases improved significantly after operation in a mean follow-up of 1.5 years. Using this technique, we did not have any recurrence after surgery. Conclusions: Laparoscopic decortication with omental wadding is helpful to decrease the incidence of simple renal cyst recurrence after laparoscopic decortication.
    Journal of Laparoendoscopic & Advanced Surgical Techniques 10/2012;
  • Journal of Laparoendoscopic & Advanced Surgical Techniques 07/2012;
  • Journal of Laparoendoscopic & Advanced Surgical Techniques 08/2011;
  • Journal of Laparoendoscopic & Advanced Surgical Techniques 06/2011; 21(5):393.
  • Journal of Laparoendoscopic & Advanced Surgical Techniques 11/2010; 20(9):771-771.