RESUMEN
OBJECTIVE: To provide clinical direction, based on the best evidence available, on laparoscopic entry techniques and technologies and their associated complications. OPTIONS: The laparoscopic entry techniques and technologies reviewed in formulating this guideline include the classic pneumoperitoneum (Veress/trocar), the open (Hasson), the direct trocar insertion, the use of disposable shielded trocars, radially expanding trocars, and visual entry systems. OUTCOMES: Implementation of this guideline should optimize the decision-making process in choosing a particular technique to enter the abdomen during laparoscopy. EVIDENCE: English-language articles from Medline, PubMed, and the Cochrane Database published before the end of September 2005 were searched, using the key words laparoscopic entry, laparoscopy access, pneumoperitoneum, Veress needle, open (Hasson), direct trocar, visual entry, shielded trocars, radially expanded trocars, and laparoscopic complications. VALUES: The quality of evidence was rated using the criteria described in the Report of the Canadian Task Force on the Periodic Health Examination. RECOMMENDATIONS AND SUMMARY STATEMENT.
Asunto(s)
Laparoscopía , Femenino , Humanos , Complicaciones Intraoperatorias , Laparoscopía/efectos adversos , Laparoscopía/instrumentación , Laparoscopía/métodos , AgujasRESUMEN
The goal of any skin closure technique is to produce appropriate skin approximation and adequate healing while minimizing pain, wound complications, cost, and scarring; the technique should be quick, cost-effective, and simple, while maximizing wound cosmesis and patient satisfaction. Although many studies have shown the superiority of staples for speed of closure, it is unclear if staples give a superior cosmetic result or reduce pain. Several randomized controlled trials have found that sutures are superior for cosmesis and that they decrease postoperative pain and are more cost-effective. There remains a paucity of data on wound infections and complications associated with closure technique. This review summarizes studies to date evaluating outcomes associated with wound closure using staples and sutures in repairing abdominal incisions and, in particular, assesses outcomes in the obstetric population with a Pfannenstiel incision.
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Abdomen/cirugía , Cesárea , Estética , Femenino , Procedimientos Quirúrgicos Ginecológicos , Humanos , Infección de la Herida Quirúrgica , Suturas , Cicatrización de HeridasRESUMEN
OBJECTIVE: To provide clinical direction, based on the best evidence available, on laparoscopic entry techniques and technologies and their associated complications. OPTIONS: The laparoscopic entry techniques and technologies reviewed in formulating this guideline include the classic pneumoperitoneum (Veress/trocar), the open (Hasson), the direct trocar insertion, the use of disposable shielded trocars, radially expanding trocars, and visual entry systems. OUTCOMES: Implementation of this guideline should optimize the decision-making process in choosing a particular technique to enter the abdomen during laparoscopy. EVIDENCE: English-language articles from Medline, PubMed, and the Cochrane Database published before the end of September 2005 were searched, using the key words laparoscopic entry, laparoscopy access, pneumoperitoneum, Veress needle, open (Hasson), direct trocar, visual entry, shielded trocars, radially expanded trocars, and laparoscopic complications. VALUES: The quality of evidence was rated using the criteria described in the Report of the Canadian Task Force on the Periodic Health Examination. RECOMMENDATIONS AND SUMMARY STATEMENT: 1. Left upper quadrant (LUQ, Palmer's) laparoscopic entry should be considered in patients with suspected or known periumbilical adhesions or history or presence of umbilical hernia, or after three failed insufflation attempts at the umbilicus. (II-2 A) Other sites of insertion, such as transuterine Veress CO(2) insufflation, may be considered if the umbilical and LUQ insertions have failed or have been considered and are not an option. (I-A) 2. The various Veress needle safety tests or checks provide very little useful information on the placement of the Veress needle. It is therefore not necessary to perform various safety checks on inserting the Veress needle; however, waggling of the Veress needle from side to side must be avoided, as this can enlarge a 1.6 mm puncture injury to an injury of up to 1 cm in viscera or blood vessels. (II-1 A) 3. The Veress intraperitoneal (VIP-pressure = 10 mm Hg) is a reliable indicator of correct intraperitoneal placement of the Veress needle; therefore, it is appropriate to attach the CO(2) source to the Veress needle on entry. (II-1 A) 4. Elevation of the anterior abdominal wall at the time of Veress or primary trocar insertion is not routinely recommended, as it does not avoid visceral or vessel injury. (II-2 B) 5. The angle of the Veress needle insertion should vary according to the BMI of the patient, from 45 degrees in non-obese women to 90 degrees in obese women. (II-2 B) 6. The volume of CO(2) inserted with the Veress needle should depend on the intra-abdominal pressure. Adequate pneumoperitoneum should be determined by a pressure of 20 to 30 mm Hg and not by predetermined CO(2) volume. (II-1 A) 7. In the Veress needle method of entry, the abdominal pressure may be increased immediately prior to insertion of the first trocar. The high intraperitoneal (HIP-pressure) laparoscopic entry technique does not adversely affect cardiopulmonary function in healthy women. (II-1 A) 8. The open entry technique may be utilized as an alternative to the Veress needle technique, although the majority of gynaecologists prefer the Veress entry. There is no evidence that the open entry technique is superior to or inferior to the other entry techniques currently available. (II-2 C) 9. Direct insertion of the trocar without prior pneumoperitoneum may be considered as a safe alternative to Veress needle technique. (II-2) 10. Direct insertion of the trocar is associated with less insufflation-related complications such as gas embolism, and it is a faster technique than the Veress needle technique. (I) 11. Shielded trocars may be used in an effort to decrease entry injuries. There is no evidence that they result in fewer visceral and vascular injuries during laparoscopic access. (II-B) 12. Radially expanding trocars are not recommended as being superior to the traditional trocars. They do have blunt tips that may provide some protection from injuries, but the force required for entry is significantly greater than with disposable trocars. (I-A) 13. The visual entry cannula system may represent an advantage over traditional trocars, as it allows a clear optical entry, but this advantage has not been fully explored. The visual entry cannula trocars have the advantage of minimizing the size of the entry wound and reducing the force necessary for insertion. Visual entry trocars are non-superior to other trocars since they do not avoid visceral and vascular injury. (2 B).
Asunto(s)
Procedimientos Quirúrgicos Ginecológicos , Laparoscopía , Canadá , Femenino , Ginecología , Humanos , Laparoscopía/efectos adversos , Laparoscopía/métodos , Obstetricia , Sociedades MédicasRESUMEN
OBJECTIVE: To review current knowledge about emergency contraception (EC), including available options, their modes of action, efficacy, safety, and the effective provision of EC within a practice setting. OPTIONS: The combined estradiol-levonorgestrel (Yuzpe regimen) and the levonorgestrel-only regimen, as well as post-coital use of copper intrauterine devices, are reviewed. OUTCOMES: Efficacy in terms of reduction in risk of pregnancy, safety, and side effects of methods for EC and the effect of the means of access to EC on its appropriate use and the use of consistent contraception. EVIDENCE: Studies published in English between January 1998 and March 2010 were retrieved though searches of Medline and the Cochrane Database, using appropriate key words (emergency contraception, post-coital contraception, emergency contraceptive pills, post-coital copper IUD). Clinical guidelines and position papers developed by health or family planning organizations were also reviewed. VALUES: The studies reviewed were classified according to criteria described by the Canadian Task Force on Preventive Health Care, and the recommendations for practice were ranked according to this classification (Table 1). BENEFITS, HARMS, AND COSTS: These guidelines are intended to help reduce unintended pregnancies by increasing awareness and appropriate use of EC. SPONSOR: The Society of Obstetricians and Gynecologists of Canada.