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At least 577 records · Page 32Linked to original sources
PubMed2003

A prospective analysis of 211 robotic-assisted surgical procedures.

BACKGROUND: The Academic Robotics Group prospectively studied 211 robotically assisted operations to assess the safety and utility of robotically assisted surgery. METHODS: All operations took place at one of four member institutions between June 2000 and June 2001 using the recently FDA-approved daVinci robotic system. A variety of procedures were undertaken, including antireflux surgery (69), cholecystectomy (36), Heller myotomy (26), bowel resection (17), donor nephrectomy (15), left internal mammery artery mobilization (14), gastric bypass (seven), splenectomy (seven), adrenalectomy (six), exploratory laparoscopy (three), pyloroplasty (four), gastrojejunostomy (two), distal pancreatectomy (one), duodenal polypectomy (one), esophagectomy (one), gastric mass resection (one), and lysis of adhesions (one). RESULTS: Average operating room time was 188 min (range 45 to 387, SD = 83), surgical time 143 min (range 35 to 462, SD = 63), and robot time 90 min (range 12 to 235, SD = 47). Median length of stay was 1 day (range 0 to 37). There were 8 (4%) technical complications during procedures, five minor (four hook cautery dislodgement, one slipped robotic trocar) and three major (system malfunctions, two of which required conversion to standard laparoscopy). In all cases, technical problems caused only delay, without apparent altered outcome. There were medical/surgical complications in nine patients (4%). Six (3%) were considered major, including one death unrelated to the robotic procedure. CONCLUSIONS: The results of robotic-assisted surgery compare favorably with those of conventional laparoscopy with respect to mortality, complications, and length of stay. Robotic-assisted surgery is safe and effective and is a new reality for American surgery. The role of these devices in surgery will expand as the technology evolves.

Digestive System Surgical Procedures↗
PubMed2005

Multimedia article. Entirely thoracoscopic pneumonectomy using the prone position: a new technique.

BACKGROUND: Reports on video-assisted pneumonectomy have remained scarce, despite early demonstration of its technical feasibility. A totally videothoracoscopic pneumonectomy was first reported by Conlan and Sandor. The patient in this report was positioned in the full lateral position. In this video, we report a totally videothoracoscopic left-side pneumonectomy with the patient in prone position. METHODS: A 49-year-old man was admitted to our hospital for a bifocal cancer of the left lower lung lobe (LLL) and the cervical esophagus. The preoperative workup included a chest computed tomography (CT) scan showing a 3-cm mass of the laterobasal segment of the LLL, with retrotumoral atelectasis, lymph nodes smaller than 1 cm in diameter at the aortopulmonary window and under the carena, and finally posterolateral adherences between the parietal and the visceral pleura. Flexible bronchoscopy confirmed the presence of a bronchial tumor at the offspring of the apical bronchus of the LLL. Biopsy showed invasive adenocarcinoma, and a CT scan of the neck and head was significant for tumoral infiltration of the cervical esophagus and retropharyngeal space. Gastroscopy showed a stenosis of the cervical esophagus and hypopharynx. Biopsy showed spinocellular epithelioma, but CT scan of the abdomen and bone scintigraphy did not show metastatic disease. A position emission tomography (PET) scan confirmed the findings of the CT scan. Pneumonectomy and esophagectomy by thoracoscopy, laparoscopy, and cervicotomy were proposed. The purpose of this video is to show the details of the thoracoscopic technique with the patient in the prone position. RESULTS: After induction of general anesthesia, a double-lumen endotracheal tube was placed. The patient was subsequently placed and strapped in a prone position. The surgical team was placed to the left of the patient. A 10-mm trocar was placed in the seventh intercostal space on the posterior axillary line, and a 30 degrees angled videoscope was introduced. Three additional 5-mm trocars were placed at the same level in the 5th, 9th, and 11th intercostal spaces on the posterior axillary line. The mediastinal pleura was opened just ventral to the aorta. The first structure identified was the left main bronchus, which was dissected free and transected with a linear stapler (blue load). The aortopulmonary window became immediately visible. Clearance of this window's lymphoglandular tissue showed, bottom to top, the inferior pulmonary vein, the superior pulmonary vein, and the pulmonary artery. These vascular structures were carefully dissected free with the cautery hook and transected with a vascular linear stapler (white load). The lung was freed entirely tend placed in a retrieval bag for later transhiatal extraction during the laparoscopic phase of the esophagectomy. The intraoperative time for the pneumonectomy was 146 min, and intraoperative blood loss was 30 ml. The pathology report confirmed the presence of invasive, poorly differentiated adenocarcinoma. The bronchial section was free of tumor. One intrapulmonary lymphnode (N1) was positive, whereas all 10 N2 and N3 nodes harvested were free of disease. The tumor was thus staged as IIB (pT2N1Mx). The esophagetomy specimen showed fairly wide differentiated keratinizing of the spinocellular epithelioma with invasion of both pyriform sinuses and both sides of the glottis. CONCLUSIONS: First described by Cuschieri et al. in 1992, the prone position for thoracoscopy allows for a more direct approach to the aortopulmonary window under excellent visual and ergonomic circumstances. Dissection of the hilar larger vessels and performance of lymphnode sampling appear more straightforward because with this technique, the lung is kept out of harm's way, thanks to gravity.

Humans↗
PubMed2005

Multimedia article: laparoscopic left lateral hepatic lobectomy for metastatic colorectal tumor.

BACKGROUND: The growth of experience in laparoscopic surgery, technological improvements in laparoscopic instruments, and the application of laparoscopy to oncology surgery are responsible for the new challenge of laparoscopic liver surgery. Several series of laparoscopic liver resections have been reported, and these series have shown the feasibility of resections. The first anatomical laparoscopic liver resection was a left lateral segmentectomy, reported in 1996 by Azagra et al. due to favorable anatomy of this hepatic segment for a totally laparoscopic approach. METHODS: This video shows a left lateral hepatic lobectomy (bisegmentectomy 2-3) by a total laparoscopic approach in a 56-year-old woman who presented with a metastatic tumor from operated colorectal cancer. A CO(2) pneumoperitoneum was induced with a Veress needle and abdominal pressure was maintained at 12 mmHg. Five trocars were placed along an ideal semicircular line, with the concavity facing the right subcostal margin, and a 30 degrees angled laparoscope was used. A retraction of round ligament with suture was performed to obtain exposure of the inferior face of liver. The left hepatic pedicle was dissected in close vicinity with the portal branch. Segmental vascular structures and bile ducts of segments 3 and 2 were progressively and intraparenchymatously identified, clipped, and sectioned. A Pringle's maneuver was not necessary. The dissection line was demarcated on the liver with monopolar cautery, and liver parenchymal transection was obtained with an ultrasound scalpel (Ultracision, Ethicon Endosurgery). Finally, the left hepatic vein was sectioned with a linear vascular endostapler (Ethicon Endosurgery). Extraction of specimen was performed using a plastic bag through an enlarged trocar site. RESULTS: The operative time was 110 min, and blood loss was zero. The postoperative period was uneventful, the length of hospital stay was 5 days, and the patient returned to normal activity 1 week postoperatively. The surgical margins of specimen were free of disease. CONCLUSIONS: Laparoscopic left lateral lobectomy of the liver is feasible and safe in patients with isolated malignant disease of the left lateral segment. This approach reduces blood loss and postoperative hospital stay, and it has a better cosmetic result.

Colorectal Neoplasms↗
PubMed2006

Diaphragm pacing with natural orifice transluminal endoscopic surgery: potential for difficult-to-wean intensive care unit patients.

BACKGROUND: Up to 50% of the patients in the intensive care unit (ICU) require mechanical ventilation, with 20% requiring the use of a ventilator for more than 7 days. More than 40% of this time is spent weaning the patient from mechanical ventilation. Failure to wean from mechanical ventilation can in part be attributable to rapid onset of diaphragm atrophy, barotrauma, posterior lobe atelectasis, and impaired hemodynamics, which are normally improved by maintaining a more natural negative chest pressure. The authors have previously shown that laparoscopic implantation of a diaphragm pacing system benefits selected patients. They now propose that an acute ventilator assist with interventional neurostimulation of the diaphragm in the ICU is feasible and could facilitate the weaning of ICU patients from mechanical ventilation. Natural orifice transluminal endoscopic surgery (NOTES) has the potential to expand the benefits of the diaphragm pacing system to this acute patient population by allowing it to be performed at the bedside similarly to insertion of the common gastrostomy tube. This study evaluates the feasibility of this approach in a porcine model. METHODS: Pigs were anesthetized, and peritoneal access with the flexible endoscope was obtained using a guidewire, needle knife cautery, and balloon dilation. The diaphragm was mapped using a novel endoscopic electrostimulation catheter to locate the motor point (where stimulation provides complete contraction of the diaphragm). An intramuscular electrode then was placed at the motor point with a percutaneous needle. The gastrotomy was managed with a gastrostomy tube. RESULTS: Four pigs were studied, and the endoscopic mapping instrument was able to map the diaphragm to identify the motor point. In one animal, a percutaneous electrode was placed into the motor point under transgastric endoscopic visualization, and the diaphragm could be paced in conjunction with mechanical ventilation. CONCLUSIONS: These animal studies demonstrate the feasibility of transgastric mapping of the diaphragm and implantation of a percutaneous electrode for therapeutic diaphragmatic stimulation.

Animals↗
PubMed2001

Sequence and task analysis of instrument use in common laparoscopic procedures.

BACKGROUND: In the area of instrument evaluation, one aspect that still requires objective assessment is the dynamics of instrument maneuver and exchange. If we could gain a better understanding of these phenomena, we could improve the design of the instruments themselves. METHODS: A total of 29 laparoscopic procedures were videotaped and reviewed using time motion analysis. Instrument multifunctionality was determined using a standardized list of laparoscopic maneuvers. State transition diagrams were utilized to document the sequence of instrument exchanges. RESULTS: The curved dissector, atraumatic grasper, and cautery scissors were identified as the most multifunctional instruments; each was able to perform five distinct maneuvers. Instrument sequences were found to consist of a three-part dissect --> clip --> cut cycle and a two-part dissect --> suction cycle of instrument exchange. CONCLUSION: This study demonstrated that laparoscopic instruments are often used to perform a variety of maneuvers in addition to their primary function. Furthermore, there are common patterns in instrument exchange that provide a potential source of design parameters for improved surgical efficiency.

Humans↗
PubMed2001

The minimally invasive surgical suite enters the 21st century. A discussion of critical design elements.

Most minimally invasive surgical procedures are now performed in operating rooms that were originally designed for traditional open surgery. Laparoscopic instrumentation such as insufflators, light sources, and camera control units must be placed on one or more equipment carts. After the cart has been moved into place, insufflation tubing, video cables, light cords, cautery lines, and foot controls must be positioned and connected. This cart-based paradigm restricts the ergonomic configuration of the operating room and creates potential mechanical, electrical, and biological hazards to the patient and operating room staff. In order to decrease clutter, ease personnel movement, improve ergonomics, maintain the sterile field, and facilitate the use of advanced imaging, communication, and display devices, an appropriately designed operating environment is essential. Herein we detail both the theoretical and practical aspects of the design and describe the implementation and utilization of such a suite in our hospital. These design elements may prove to be critical to the next generation of minimally invasive surgical suites and will facilitate future advanced laparoscopic procedures.

Accident Prevention↗
PubMed1998

Endoscopic extraperitoneal herniorrhaphy. A 5-year experience.

BACKGROUND: This report reviews our experience with 512 groin hernias treated by a laparoscopic extraperitoneal approach over the past 5 years. We detail the modifications that have been made to this procedure and compare our morbidity and recurrence rates with other laparoscopic and open herniorrhaphy techniques. METHODS: Between September 1991 and September 1996, 395 male patients underwent 512 hernia repairs by an endoscopic total extraperitoneal approach (TEP). Their ages ranged from 18 to 82 years. There were 267 indirect, 218 direct, 17 pantaloon, and 10 femoral hernias. Of these, 117 were bilateral and 54 were recurrent. All repairs were done with polypropylene mesh. All patients were given general anesthesia except 16 (4.05%) who had epidural anesthesia. RESULTS: Of 512 hernia repairs, seven required conversion to an open procedure (1.3%). There were 19 complications (4.8%), including eight cases of urinary retention, six of groin collection, one bladder injury, one trocar site infection, one transient neuralgia, one cardiac arrhythmia, and one laryngospasm. Follow-up on 354 patients (41 were lost to follow-up) ranged from 6 to 66 months (mean, 38). There were six hernia recurrences (1.69%), but no deaths. Operative time ranged from 15 to 185 min. CONCLUSIONS: The endoscopic extraperitoneal approach to groin hernia repair has a recurrence rate comparable with open and other laparoscopic techniques. Operative time has decreased considerably with experience. Familiarity with the technique has eliminated the need for balloon dissectors, cauteries, suction irrigation, Foley catheters, and stapling of the mesh. These advances, along with shortening of the operative time and employment of reusable trocars, have permitted a significant decrease in the cost of the procedure. This study provides the longest follow-up reported with this technique. In experienced hands, the TEP repair produces results that are comparable with the open, tension-free repair and represents a reasonable alternative.

Adolescent↗
PubMed2004

The use of local agents: Surgicel and Surgifoam.

There are various electrical, mechanical and chemical methods used to achieve haemostasis in spine surgery. Chemical haemostatic agents are often preferable to bipolar cautery in intraspinal procedures, because these products control bleeding without occluding the vessel lumen and cause no thermal injuries to adjacent structures. A topical haemostat is the often the technique of choice to control bleeding from bone and to diffuse capillary and epidural venous oozing. This paper focuses on technical aspects of the application of absorbable porcine gelatine and regenerated, oxidised cellulose. These haemostats have been used in neurosurgical intraspinal procedures for more than 30 years; however, new application forms like Surgicel fibrillar and Surgifoam powder imply different handling options, which are discussed in this paper.

Administration, Topical↗
PubMed2005

A strategy of sequential therapy with a bronchoscopic excision and thoracotomy for intra- and extrabronchial wall schwannoma: report of a case.

A 69-year-old woman was admitted with dyspnea on effort and left lung atelectasis on chest X-ray. Fiberoptic bronchoscopy revealed a complete obstruction of the left main bronchus due to a polypoid lesion. This lesion was diagnosed to be a schwannoma arising from the left lower bronchus. Bronchoscopic treatments were performed with electrosurgical snaring and the intratumoral injection of 99.5% ethanol. These treatments were performed once per week for 4 weeks, then were followed with a one-time application of semiconductor laser cautery. These treatments opened the airway and restored the left lung expansion. However, a residual tumor remained at the bifurcation of the left basal bronchus and B6. A cautious follow-up was conducted because schwannoma is a potentially benign tumor. A follow-up bronchoscopic examination at 21 months revealed a regrowth of the residual tumor. A complete resection using a left S6 sleeve segmentectomy was thus performed. The pathologic diagnosis of the tumor was benign schwannoma. There were no complications and no evidence of disease recurrence has been observed after the surgery.

Aged↗
PubMed2002

Gelatin-thrombin-based hemostatic sealant for intraoperative bleeding in vascular surgery.

Vascular surgical procedures may be prolonged because of intraoperative bleeding that is not easily controlled by cautery or suture ligation. This trial compared the ability of a new hemostat, FloSealTM Matrix (FM), with a known hemostat, Gelfoam(R) plus thrombin (GT), to control intraoperative bleeding. Patients undergoing vascular surgery procedures at four institutions were entered in the trial. After a bleeding site was identified, patients were randomized to one of the study agents: (1) FM, a cross-linked gelatin of bovine origin combined with thrombin, or (2) GT. The assigned agent was applied and the site observed for bleeding at 1, 2, 3, 6, and 10 min. The primary end point was cessation of bleeding within 10 min for the first identified site treated. Secondary end points were cessation of bleeding within 10 min for all sites and time to cessation of bleeding. Patients were assessed for morbidity at 30 days and 6-8 weeks after the operation. Analysis was performed on an intent-to-treat basis for analysis of hemostasis at 10 min and on protocol-valid patients for analysis of time to hemostasis. From our results we concluded that for patients undergoing vascular surgery procedures, the new topical hemostat, FloSeal Matrix, provides more rapid and effective hemostasis than Gelfoam plus thrombin.

Aged↗
PubMed2005

Clinical benefits and risk analysis of topical hemostats: a review.

A variety of local hemostats including absorbable gelatin sponge, collagen hemostat, and oxidized cellulose are commercially available. Local hemostats are applied when cautery, ligature, or other conventional hemostatic method is impractical. Proper handling is essential to control bleeding and only the required amount should be used, even though the hemostat is expected to dissolve promptly. A dry local hemostat absorbs body fluid of several times its own weight and expands postoperatively. Therefore, when an absorbable hemostatic agent is retained on or near bony or neural spaces, the minimum amount should be left after hemostasis is achieved. Documentation is important with regard to the hemostat used, including the name of the agent, site, and amount. This information is used as a reference in the interpretation of postoperative diagnostic images, since retained hemostat may sometimes mimic an abscess or recurrent tumor. The antigenicity of collagen is known to be low because of homology. When the safety of collagen was evaluated, the incidence of positive reactions was reported as 3.0%, and collagen may cause allergic reactions. Minimum inflammation without strong foreign body reactions or blockade of healing is desirable after the use of local hemostats. Strong foreign body reactions, chronic inflammation, and infections can cause granuloma formation after local hemostat use. By using local hemostats, it is possible to improve the condition of the patient, reduce complications, and lower direct and indirect costs.

Cellulose, Oxidized↗
PubMed2004

Electrocoagulation: an alternative palliative treatment for rectal cancer.

BACKGROUND: We present our experience with palliative transanal electrocoagulation therapy (TEC) for rectal cancer. METHODS: Eight patients with biopsy-proven localised low rectal adenocarcinoma were treated with palliative TEC. Inclusion criteria were: high risk patients with anal adenocarcinoma less than 3 cm in diameter, localised less than 7 cm from the anal verge, limited to the rectal wall. Under local anaesthesia all patients underwent TEC using the traditional cautery. RESULTS: No mortality and morbidity was found. Four patients required a second procedure and one patient had a third session . Two patients died within 2 years from distal metastasis. The remaining six patients are alive and free of local recurrence (follow-up 9 months to 4 years). CONCLUSIONS: In poor surgical candidates, palliative TEC of rectal adenocarcinoma may have a role as an alternative to radical surgical treatment.

Adenocarcinoma↗
PubMed2000

Gastroesophageal junction adenocarcinoma.

The incidence rate of adenocarcinoma of the esophagogastric junction (AEG) is increasing in association with the epidemiologic rise in distal esophageal adenocarcinoma and gastric cardial (AEG type III) tumors. The overall survival rate is poor in most patients with AEG because lymph node or visceral metastases are frequently present at the time patients become symptomatic. A few patients are identified early in the disease because of screening for gastroesophageal reflux and Barrett's esophagus. Early stage AEG (T1N0 or T2NO, carcinoma in situ, or severe dysplasia ) can in many instances be cured with surgery alone. Ablative treatments for early stage AEG, including endoscopic fulguration by cautery and laser or photodynamic therapy, are investigational at this time. Locoregionally advanced AEG (T3, T4, N1, or M1a ) without distant systemic metastases (M1b) has a poor overall survival rate with surgery alone or definitive chemotherapy and radiation therapy without surgery. Analysis of the use of multimodality treatment strategies for locoregionally advanced AEG types I and II have demonstrated improved survival rates in two small phase III trials with preoperative concurrent chemoradiotherapy followed by surgical resection. In contrast, three small phase III trials with preoperative concurrent or sequential chemoradiotherapy in patients with predominantly squamous cell carcinoma did not demonstrate any clear survival advantage. Additionally, a randomized phase III study evaluating preoperative chemotherapy without radiation therapy in esophageal cancer (predominantly adenocarcinoma) has demonstrated no survival benefit. In light of these results, additional large randomized phase III studies are needed to confirm the potential benefit of preoperative concurrent chemoradiotherapy. At the present time, preoperative chemoradiotherapy remains investigational. For locoregionally advanced gastric adenocarcinoma, including AEG type III, postoperative concurrent 5-fluorouracil (5-FU)-based chemoradiotherapy is associated with improved survival as demonstrated in a recently completed random assignment trial (INT 0116). As a result, surgery with postoperative chemoradiotherapy has recently become the standard of care for patients with AJCC stage II and III gastric adenocarcinoma (including patients with AEG type III). Metastatic AEG (M1b) should be treated with palliative chemotherapy (in good performance patients) or supportive care (poor performance) in asymptomatic patients. Radiation therapy and endoscopic stent placement (expandable wire mesh) can be used to palliate dysphagia in patients with M1b disease. The development of expandable stents and improved radiotherapy has obviated surgical bypass to palliate patients with symptomatic, metastatic AEG.

Adenocarcinoma↗
PubMed1984

The reversibility of female sterilization with the use of microsurgery: a report on 102 patients with more than one year of follow-up.

A prospective study of 102 patients who underwent a reversal of sterilization between January, 1977, and February, 1982 revealed a pregnancy rate of 68% after more than 1 year of follow-up. The term delivery, abortion, and ectopic pregnancy rates were 52%, 11%, and 5%, respectively. The most reversible procedure was placement of the Falope ring (83% term delivery), and the least reversible was fimbriectomy (29%). The use of the microscope in performing tubal operation was associated with term delivery rates (60%) higher than those when no microscope was used (44%); this was particularly significant after tubal cautery (50% versus 25%). A total remaining tube length of 6 cm or more after previous sterilization resulted in a much better (74%) term delivery rate after microsurgical procedures than that in patients with shorter tubes (44%). The most successful site for tubal anastomosis was isthmus-isthmus and cornu-isthmus, with 81% and 67% term delivery rates, respectively.

Abortion, Spontaneous↗
PubMed1986

Treatment of cervical intraepithelial neoplasia with electrocautery: a report of 776 cases.

From 1973 to 1984, 776 patients with cervical intraepithelial neoplasia were treated with outpatient electrocautery (hot cautery) without anesthesia. Of these, 726 (94%) were available for follow-up in 3 to 6 months. An initial cure rate with one treatment of 89% to 90% was achieved. Cure rates were similar for all degrees of dysplasia, including carcinoma in situ. There were no complications. All patients with failure of the initial treatment who returned for further outpatient management were eventually cured with use of electrocautery. Long-term follow-up rates ranged from 75% at 1 year to 46% at 5 years. There were few late recurrences, most of which were treated again (successfully) with electrocautery. Electrocautery produces cure rates similar to those for other forms of conservative management and may be the most cost-effective method of management of cervical intraepithelial neoplasia.

Ambulatory Surgical Procedures↗
PubMed1990

Single-dose antibiotic prophylaxis for patients undergoing extended pelvic surgery for gynecologic malignancy.

The comparative efficacy of single-dose antibiotic prophylaxis was retrospectively evaluated in 116 patients undergoing extended pelvic surgical procedures with curative intent. During the 24-month period, other important variables such as surgeon's experience, duration of preoperative hospitalization, preoperative preparation, method of hair removal, suture type, suture size, use of drains, use of cautery, and abdominal closure were controlled. The overall surgical site infection rate was 4.3% after radical hysterectomy with lymphadenectomy and 4.5% after total hysterectomy with lymphadenectomy. In this clinical situation the use of a single dose of antibiotic prophylaxis theoretically decreases cost and patient exposure and appears to be as efficacious as a multiple-dose regimen.

Anti-Bacterial Agents↗
PubMed1993

Loop electrosurgical excision procedures for cervical dysplasia: experience in a community hospital.

OBJECTIVE: The study was undertaken to evaluate the use of the loop electrosurgical excision procedure as an outpatient hospital or surgicenter procedure. STUDY DESIGN: The records of 358 patients treated for cervical intraepithelial neoplasia at a large community hospital over a 1-year period were reviewed. RESULTS: The specimens obtained by loop electrosurgical excision procedure and laser cone excision were comparable in size but smaller than those by means of cold-knife conization. Seventy-two percent of loop electrosurgical excision procedure specimens consisted of two to eight tissue fragments (mean 3.4). In addition, 48% of the loop electrosurgical excision procedure specimens and 38% of laser cones had moderate or severe thermal artifacts. Fragmentation and cautery damage precluded orientation of tissue and evaluation of margins in 19% of the cases. CONCLUSIONS: The advent of the loop electrosurgical excision procedure has shifted the management of cervical intraepithelial neoplasia from the office to the outpatient surgery centers. This negates and, in fact, reverses the advantage of loop electrosurgical excision procedure over other methods in regard to cost and convenience through evaluating and treating a patient with cervical intraepithelial neoplasia in one office visit. Loop electrosurgical excision procedures provide specimens that are inferior compared with cold-knife cones; therefore the role of loop electrosurgical excision procedure for the management of cervical intraepithelial neoplasia outside the office appears limited.

Adolescent↗
PubMed1995

A pilot study of cyclosporine for the prevention of postsurgical adhesion formation in rats.

OBJECTIVE: Our purpose was to evaluate the efficacy of cyclosporine in preventing primary postsurgical adhesions in the rat model. STUDY DESIGN: Thirty-two Sprague-Dawley rats underwent unilateral uterine horn injury with a combination of unipolar and bipolar cautery. Sixteen of the rats were randomized to the treatment group and received preoperative and daily cyclosporine dosing (10 mg/kg) by gavage for 14 days. At the end of the study all animals were killed, and a standard adhesion scoring system was applied by a blinded examiner. RESULTS: Adhesions were present in 75% of rats in both groups. Treatment did not affect the total adhesion score. CONCLUSION: Cyclosporine does not appear promising as a means to decrease postsurgical adhesion formation.

Animals↗