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Biomedical subjects

D Rosin

Publications and source records attributed to D Rosin.

At least 19 recordsLinked to original sources

Laparoscopic splenectomy for torsion of wandering spleen associated with celiac axis occlusion.

BACKGROUND: Wandering spleen is a spleen lacking its normal ligamentous attachments, and thus subjected to free movement in the abdominal cavity, and even torsion around its pedicle. Surgical treatment includes either fixation (splenopexy) or resection (splenectomy). Both procedures can now be accomplished using the laparoscopic approach. METHODS AND RESULTS: We describe a case of a torsion of a wandering spleen, leading to recurrent episodes of abdominal pain, and eventually to splenic ischemia, necessitating splenectomy. The diagnosis was complicated by associated angiographic findings of celiac axis occlusion, possibly by median arcuate ligament compression. Laparoscopic splenectomy was successful, and led to complete resolution of symptoms. CONCLUSIONS: Although a rare condition, wandering spleen can be diagnosed accurately by imaging studies, mainly CT scan and angiography. Nowadays, the laparoscopic approach is preferred and enables the surgeon to perform either splenopexy or splenectomy, depending on the vascular status of the spleen.

Adult↗

Pitfalls and complications with laparoscopic intraperitoneal expanded polytetrafluoroethylene patch repair of postoperative ventral hernia.

BACKGROUND: This study reviewed our experience with laparoscopic ventral postoperative (incisional) hernia repair. METHODS: Clinical data from the first 100 cases were analyzed retrospectively. RESULTS: Between 1997 and 2000, 64 women and 36 men (mean age, 58.4 +/- 13.6 years; range, 27-87 years) underwent laparoscopic hernioplasty. Hernias (mean diameter, 6.2 +/- 3.7 cm) were in a midline (74%), subcostal (10%), or other incision location, and were recurrent in 25%, of the patients. The mean operative time was 119 +/- 77 min. Extensive adhesiolysis was necessary in 37 cases. There was no mortality. The recorded complications included inadvertent enterotomies (n = 6), seromas (n = 11), prolonged ileus (n = 4), and prolonged fever (n = 3). Seven cases were converted; to repair accidental enterotomies (n = 4) due to difficult adhesiolysis (n = 2), or to control bleeding (n = 1). Six patients underwent reoperation because of enetric leak (n = 3) or bowel obstruction (n = 3). There were two documented recurrences (2%). The mean follow-up period was 19 months (range, 12-54 months). CONCLUSIONS: Laparoscopic intraperitoneal approach to postoperative ventral (incisional) hernia repair may be associated with significant complications and morbidity, which can be prevented in part by meticulous technique and liberal conversions. The justification of this procedure is the low recurrence rate, according to preliminary results.

Adult↗

Laparoscopic resection of ectopic pancreas in the gastric antrum: case report and literature review.

We report a case of ectopic pancreas tissue in the gastric wall that was removed using a minimally invasive approach. The patient was a 46-year-old obese woman who presented with fatigue, weakness, abdominal discomfort, and guaiac-positive stools. Laboratory analysis showed iron deficiency anemia. Preoperative endoscopy revealed a submucosal lesion in the gastric antrum. Intraoperative upper endoscopy clearly located the lesion at the antrum. The lesion was marked with India ink, allowing it to be identified easily at laparoscopy. A laparoscopic wedge resection of the gastric antrum was performed. The patient had an uneventful recovery. We believe that this is a valid treatment option for this benign condition.

Choristoma↗

Laparoscopic cholecystectomy performed under regional anesthesia in patients with chronic obstructive pulmonary disease.

BACKGROUND: Laparoscopic cholecystectomy has been successfully performed using epidural anesthesia. We evaluated our experience with this surgical approach in high-risk patients. METHODS: We present the results of 29 patients with gallstones who, between 1998 and 1999, underwent laparoscopic cholecystectomy with epidural anesthesia. All but 1 patient had chronic obstructive pulmonary disease. RESULTS: All 29 surgeries were successfully completed via laparoscopy and with the patients under epidural anesthesia. No patient required endotracheal intubation during surgery or pain medication afterward. Postoperatively, 1 patient developed a wound infection and 3 patients developed urinary retention. At last follow-up (12 months postop), all patients were in good health. CONCLUSION: In this series, laparoscopic cholecystectomy was feasible under epidural anesthesia and it eliminated the need for postoperative analgesia. We believe that this approach should be considered for patients who require biliary surgery but who are not good candidates for general anesthesia due to cardiorespiratory problems.

Adult↗

Laparoscopic transabdominal suspension sutures.

A limited number of access ports used in laparoscopic surgery may impair the ability of the surgeon to achieve adequate retraction and exposure, or to stabilize "moving targets" while operating on nonfixed organs. Solutions such as adding more ports or using a hand-assisted technique have the disadvantages of being more invasive, possibly creating a cumbersome situation of multiple instruments in a limited working space. We describe a useful technique for retraction and stabilization with the use of temporary sutures that pass through the abdominal wall. Although not new, this technique is not widely known or used, and laparoscopic surgeons may find it useful for a variety of applications.

Abdominal Muscles↗

[Laparoscopic surgical of the liver and bile ducts].

The liver, gallbladder, bile ducts, and spleen are the least mobile organs in the upper abdomen. Thus, the laparoscopic approach is commonly used to manage a variety of pathologies related to these organs [5, 10, 60, 78]. Compared with conventional "open" surgery, minimally invasive surgery reduces postoperative pain and discomfort, lowers morbidity rates, promotes early mobilization, decreases recovery time and length of stay, and improves cosmetic results. In addition, the surgical results of laparoscopic surgery are as good as or better than those of conventional surgery [5]. This paper reviews the advances in laparoscopic surgery, and describes current patient selection practices and laparoscopic surgical techniques for benign liver cysts and tumors and biliary tract diseases.

Bile Duct Diseases↗

[Laparoscopic splenectomy: new techniques and indications].

Over the recent years laparoscopic splenectomy has become the preferred approach for the treatment of many conditions requiring splenic removal. At first limited to small spleens and to benign hematologic disorders, this procedure is now used for a variety of indications. Enlarged spleens are possible to be removed laparoscopically, although this is still a demanding procedure. Two factors facilitated the technique and contributed to its wide acceptance: 1) Change in the technique originally used, by positioning the patient in right lateral decubitus, and approaching the spleen from a postero-lateral direction. 2) The development of new technologies to dissect and divide tissues and vessels, including the ultrasonic shears and the laparoscopic linear stapler. In this article we review the current indications for laparoscopic splenectomy, as well as the techniques to accomplish this procedure.

Humans↗

Bedside laparoscopy in the ICU: report of four cases.

BACKGROUND: Patients in the intensive care unit (ICU) may suffer from life-threatening abdominal pathologies, which may necessitate a surgical intervention. Diagnosis may be difficult, as deep sedation and analgesia often mask symptoms, and physical examination is unreliable. Imaging studies are not accurate enough, and exploratory laparotomy carries significant morbidity and mortality rates in this patient population. The unstable patient is difficult to mobilize to the imaging department or to the operating room. Bedside laparoscopy may overcome these difficulties. PATIENTS AND METHODS: We describe our initial experience with the use of bedside laparoscopy in critical patients with suspected abdominal pathology. The procedure was performed in four patients over a 4-month period and completed in all four. RESULTS: The findings were: turbid fluid consistent with viscus perforation in a patient with unexplained sepsis after cardiac surgery, sterile hemorrhagic fluid in a patient with malignancy and thrombotic thrombocytopenia purpura, a retroperitoneal mass from which biopsies were taken in a patient with sudden respiratory failure, and abdominal abscess in a patient after bowel resection for mesenteric embolism. None of these patients had a laparotomy after the laparoscopy. Patients 1 and 4 died a few hours after the procedure from sepsis, and patients 2 and 3 died several days later. CONCLUSION: Bedside laparoscopy in the ICU is feasible, informative, and accurate. It has a role in diagnosing abdominal pathologies and planning further treatment. It may avert a nontherapeutic laparotomy. Unfortunately, the prognosis in these patients is poor. Earlier use of this diagnostic modality may improve patient outcome.

Abdominal Abscess↗

Closure of laparoscopic trocar site wounds with cyanoacrylate tissue glue: a simple technical solution.

Cyanoacrylate-based tissue glue has been widely used for many years around the world, and was recently approved for use in the United States, mainly for skin cuts and lacerations. Other applications were described, in different surgical situations. Although ideal for small, clean incisions, its use in laparoscopic surgery is currently limited. Over a year period, 100 patients with more 250 trocar site wounds had their wounds glued using histoacryl. Infection rate was extremely low (one case), and partial dehiscence of the wound happened in two patients, where wound edge approximation was not optimal. Cosmetic results were excellent and patient satisfaction was high, as no sutures had to be removed. Glue application is easy and quick, with no risk of needle sticks, and it is a viable option for laparoscopic wound closure.

Cyanoacrylates↗

Laparoscopy for gastric tumors.

A decade after the introduction of therapeutic laparoscopy, the use of laparoscopic gastric surgery is becoming accepted. While still evolving, currently available techniques and equipment are already sufficient for performing most ablative and reconstructive procedures. Despite feasibility, problems such as procedural complexity, long operative time, and high cost may negate the advantages of earlier and easier recovery. At present, these procedures are limited to highly trained laparoscopic surgeons, but they may become more prevalent among the next generations of surgeons, due to constant changes in surgical training and education. The question of laparoscopic curative treatment of malignant gastric tumors has not been answered. Diagnostic laparoscopy for staging is effective and widely practiced, but gastric resections are mostly limited to benign lesions. Currently, early malignant lesions are laparoscopically treated mainly in Japan, whereas more advanced lesions are laparoscopically resected in only a few centers around the world. Full endorsement of these procedures, by randomized controlled trials, although desirable, is unlikely soon, due to the technical complexity and low prevalence of these pathologies in western countries.

Gastrectomy↗

Fibroadenoma of the breast: analysis of associated pathological entities--a different risk marker in different age groups for concurrent breast cancer.

BACKGROUND: Fibroadenoma, one of the most common benign breast lesions, has a characteristic age-specific incidence and is associated with other pathological entities in 50% of cases. The clinical or imaging diagnosis of fibroadenoma may be erroneous, and in some cases is found to be invasive cancer. The clustering of such entities, their correlation with age, and the risk of synchronous breast malignancy are uncertain. OBJECTIVE: To explore the possibility of any significant clustering of fibroadenoma-associated benign breast diseases and to assess the possible risk of concomitant breast cancer. METHODS: We analyzed the pathological results of 147 women undergoing excisional biopsies for fibroadenoma diagnosed pre-operatively either by clinical examination and imaging (n = 17) or by radiology alone (n = 30). The inter-relationships among all entities associated with fibroadenoma were studied by hierarchical cluster analysis. The correlation of the various pathologies with the risk of invasive breast cancer in relation to the patient's age was also evaluated. RESULTS: Fibroadenoma-associated pathologies were found in 48% of the cases: sclerosing adenosis (23%), duct ectasia (17.7%), apocrine metaplasia (15.6%), florid fibrocystic disease (12.9%), duct papillomatosis (11.6%), infiltrating duct carcinoma (5.4%), duct carcinoma in situ (3.4%), and 1 case of lobular carcinoma in situ (0.6%). An orderly internal hierarchy and three significant clusters emerged: a) epithelial apocrine metaplasia, duct ectasia and sclerosing adenosis (similarity coefficients 16.0, 11.0 and 8.0 respectively); b) papillomatosis, florid fibrocystic disease and calcifications (similarity coefficients of 6.0, 4.0 and 2.0 respectively); and c) infiltrating duct carcinoma and duct carcinoma in situ (similarity coefficients of 1.8 and 1.6 respectively). Seven of the eight patients with breast cancer were older than 40 years. CONCLUSIONS: In about half of the cases fibroadenoma was associated with other pathological entities clustered in an orderly hierarchy. The rarity of synchronous breast cancer in the younger age group and its more common association with fibroadenoma in the older age groups dictate a different approach to each. The finding of fibroadenoma in women older than 40 indicates the need for surgical excision.

Adolescent↗

[Sclerosing mesenteritis--an unusual cause of abdominal pain].

Sclerosing mesenteritis (SM) is rare and fewer than 300 cases had been reported up to 1997. We describe a 29-year-old woman who had abdominal pain for 1 year and presented with a palpable abdominal mass. The diagnosis of SM was made only after diagnostic laparoscopy and biopsy of the peritoneum.

Abdominal Pain↗

Laparoscopic interval appendectomy for periappendicular abscess.

BACKGROUND: Laparoscopic appendectomy was first described in the early 1980s and is currently widely used for the treatment of acute appendicitis. The application of laparoscopic techniques to interval appendectomy and the value of this procedure as compared to open elective interval appendectomy remains uncertain. Therefore, we set out to assess the usefulness of interval laparoscopic appendectomy following periappendicular abscess. METHODS: This study analyzes the data for 10 patients who underwent interval laparoscopic appendectomy 8-10 weeks following documented periappendicular abscess in the period between January 1996 and June 1998. RESULTS: Laparoscopic appendectomy was completed successfully in all 10 patients. Nine patients were discharged 1 day after the operation; one patient was discharged on the evening of the operative day. There were no complications and no wound infections. CONCLUSION: We conclude that the laparoscopic approach is the preferable treatment for interval appendectomy. It is associated with minimal or no morbidity and a very short hospital stay.

Abdominal Abscess↗

A review of technical and clinical aspects of biliary laser lithotripsy.

OBJECTIVE: This paper reviews the current use of laser techniques for the treatment of biliary stones. BACKGROUND DATA: Biliary stones may pose a special problem when access to them is limited, when previous attempts of removal have failed, or when a less invasive option than surgery is needed. The availability of various laser sources and the adaptation of the technology for safe use in the biliary system make the use of laser energy for stone fragmentation possible. METHODS: Current literature is reviewed concerning the use of laser for biliary lithotripsy, including experimental data and experience with human series. Technology, indications, alternatives, and cumulative world experience are discussed. CONCLUSIONS: Recent technical advances have made the use of laser energy for fragmentation of biliary calculi possible. It is a valid option for treatment of "difficult" stones, when other methods have failed or as a primary treatment in certain situations. The technical complexity and the high cost limit its use for specialized centers.

Cholelithiasis↗

Laparoscopic approach to small-bowel obstruction.

BACKGROUND: Small-bowel obstruction poses both a diagnostic and a therapeutic challenge. The laparoscopic approach may assist in determining the cause of the obstruction and in many cases to treat the obstructing lesion. METHODS: For the last 2 years, we have been approaching patients with small-bowel obstruction laparoscopically. RESULTS: We have found this technique to be successful as the definitive treatment in more than half of the cases. CONCLUSION: The laparoscopic approach should be the modality of choice for most, if not all, cases of small-bowel obstruction in which there is an indication for exploration.

Adult↗