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PubMedDate not supplied

Surgeons who test positive for hepatitis C should not be transferred to low risk duties.

Current UK guidelines allow surgeons who are antibody-positive for hepatitis C virus (HCV) to continue performing exposure-prone procedures (EPPs) unless they have been shown to transmit HCV to a patient. Given the low rate of recognised transmission from surgeon to patient, this recommendation is probably reasonable and is consistent with the management of eAg negative carriers of hepatitis B who are also allowed to continue operating. It seems likely that, in the future, pressure will increase to remove surgeons who are HCV-positive (or positive for HBsAg without HBeAg or HIV-positive) from the list of those able to perform EPPs. If implemented, this would require surgeons to be tested at regular intervals for HCV status. There are no data to demonstrate that such an approach would benefit patients overall and the ethical costs would be high because many surgeons will have acquired HCV occupationally. The financial costs would also be high and, in my opinion, would be better deployed by ensuring that existing simple preventative measures are routinely applied to prevent patient-surgeon-patient transmission of all blood-borne viruses.

Hepatitis C↗
PubMed1994

Reducing the risk of viral transmission at operation by electronic monitoring of the surgeon-patient barrier.

A new electronic device designed to detect glove holes, wet gowns and glove permeability was assessed during 50 general surgical operations. The cause of each alarm was recorded and the surgeon's awareness of any breach noted. Some 266 alarms were recorded of which 45 were ascribed to glove holes, 86 to wet gowns, 115 to glove porosity and 20 to other causes. Glove holes occurred in 29 of the 50 procedures; the surgeon was unaware of the hole in almost 70 per cent of cases. Holes were more common in laparotomy than in laparoscopic procedures (P = 0.006). In 20 per cent of instances surgeons did not respond immediately to the alarm (median delay 16 min). Six of eight surgeons who used the device indicated that they would do so regularly for major abdominal surgery. The electronic system accurately detects breaches in the surgeon-patient barrier. Its use should improve surgical discipline in acting to restore the barrier, protecting patient and surgeon alike.

Elective Surgical Procedures↗
PubMed2000

Improving the Surgeon's participation in research: is It a problem of training or priority?

BACKGROUND: Although numerous important contributions have originated from basic science research performed by surgeons, it seems that such dedicated work is becoming increasingly difficult to accomplish. What are the reasons for this change and what improvements can be made? This study aims to characterize the basic research training and careers of senior academic surgeons to assess and devise strategies for sustaining productive and quality surgical research. METHODS: A 25-item survey was sent to 850 senior-level members of academic societies, including the Association of Academic Surgeons, Society of University Surgeons, and American Surgical Association. It addressed each surgeon's clinical and research training and career, as well as opinions concerning surgical research. RESULTS: Three hundred seventy-seven (44%) surveys were received. Mean age was 64 years, and 73% were full professors. Seventy-two percent of respondents performed basic science research during training, and for 71% of this group, research was a significant reason for choosing a clinical specialty. Ninety-one percent performed research in the same specialty area during and after training. Of those who performed research during training, a full 99% continued to perform research on completion of training. However, 38% stopped performing basic research by age 39. Seventeen and twenty-three percent stopped basic research between 40 and 49 and between 50 and 59 years of age, respectively. The most common factors causing them to stop were increased clinical load (40%) and increased administrative duties (38%). For respondents who had stopped research prior to age 40, 73% cited increased clinical load as the primary reason. Eighty-five percent felt a dedicated research period should be included in surgery training. CONCLUSIONS: Most respondents had participated in basic research during training, and continued similar research after training. However, an overwhelming clinical practice at the junior faculty level seemed to hinder research. We conclude: (1) the majority consensus is that research training is integral to the development of academic surgeons; (2) such research training opportunities appear adequate; however, (3) faculty performing research, particularly at the junior level, need to be better protected from other academic duties, such as clinical practice and administration. The challenge to the leadership of academic surgery will be to enhance such research productivity in the context of increasing academic demands.

Adult↗
PubMed1995

Accuracy of serum C-reactive protein measurements in diagnosis of acute appendicitis compared with surgeon's clinical impression.

UNLABELLED: Diagnosis of acute appendicitis is established generally by the surgeon's clinical impression. Today, negative laparotomy rate because of clinical diagnosis is still 15 to 25 percent. PURPOSE: This study was designed to determine the accuracy of C-reactive protein (CRP) measurements in the diagnosis of acute appendicitis and to compare it with the surgeon's clinical diagnosis. METHODS: One hundred eight consecutive patients were studied prospectively. Depending on results of the examination by a surgeon, patients underwent surgery for acute appendicitis. Serum CRP measurements were performed before the operations but were not taken into account for the decision of laparotomy to compare it with the surgeon's clinical diagnosis. RESULTS: Histopathologic findings confirmed acute appendicitis in 90 patients. Normal appendixes were removed in the remaining 18 patients. Mean serum CRP value was 5 (range, 0-12.6) mg/l in patients with normal appendix, 33.8 (range, 5-85.1) mg/l in patients with nonperforated appendicitis, and 128.5 (range, 79.2-230) mg/l in patients with perforated appendixes. These differences were highly significant (P < 10(-6)). Serum CRP levels were normal in three patients with acute appendicitis. Thus, the false-negative rate of CRP was 3 percent. Of 18 patients with normal appendectomy serum CRP levels were slightly elevated in two patients. We determined, therefore, a false-positive rate of CRP as 11 percent. CRP levels were false-negative in three patients and false-positive in two patients. Thus, CRP levels were true (positive or negative) in the remaining 103 patients. On the other hand, the diagnosis depending on surgeon's clinical impression was true in 90 patients and false in 18 patients. This difference was statistically significant (P = 0.0035). In the present study the sensitivity, specificity, and accuracy of serum CRP measurements were calculated as 93.5, 80, and 91 percent, respectively. CONCLUSION: We found that elevated serum CRP levels support surgeon's clinical diagnosis. We recommend CRP measurement as a routine laboratory test in patients with suspected diagnosis of acute appendicitis.

Acute Disease↗
PubMed1994

Effect of the surgeon's specialty interest on the type of resection performed for colorectal cancer.

PURPOSE: The aim of this study was to examine the type of resection performed for colorectal cancer by surgeons with a colorectal interest and compare this with the type of resection performed by surgeons with other specialty interests. METHODS: One hundred sixteen patients had curative surgery performed for primary colorectal cancer over a one-year period by ten surgeons with four different specialty interests. RESULTS: Surgeons with an interest in colorectal cancer resected twice as much colon (280 mm vs. 130 mm; P > 0.0001, Mann-Whitney U test) and were more likely to remove adjacent clinically involved organs (15 percent vs. 0 percent) for left-sided colon and rectal cancers compared with surgeons with vascular or transplant interests. Surgeons with an interest in gastroenterology performed a resection that was intermediate between the colorectal and other specialty groups for left-sided cancers. Distal resection margins were significantly greater (55 mm vs. 20 mm; P > 0.001) for sigmoid cancers in the colorectal group, but were similar in all groups for rectal cancer. Resection lengths and margins for right-sided cancers were similar in all groups, although the number of lymph nodes retrieved from the mesentery was greater in the colorectal group (13 vs. 7.5; P = 0.08). CONCLUSION: This study shows a wide variability in the type of resection performed for colorectal cancer and illustrates the need for clinical trials to evaluate the effect of such variability on patient outcome.

Aged↗
PubMed1996

Comparison of individual surgeon's performance. Risk-adjusted analysis with POSSUM scoring system.

UNLABELLED: Comparison of outcome after colorectal resection among different surgeons is difficult. Crude rates of morbidity and mortality can be misleading because such rates make no allowance for differences in case mix and fitness of patients. AIM: The aim of this study was to compare outcome among five surgeons by means of the simple, well-validated scoring system POSSUM for risk-adjusted analysis. METHODS: A total of 438 patients were studied prospectively. Each patient underwent colorectal resection by one of the five surgeons. Demographic details, operative procedure, and postoperative course were recorded, and physiologic and operative severity scores were determined. Risk of morbidity and mortality was calculated for each patient. RESULTS: Incidence of morbidity varied sharply among the five surgeons, from 13.6 to 30.6 percent, and the 30-day mortality varied from 4.5 to 6.9 percent. However, application of POSSUM to allow risk-adjusted analysis of the data demonstrated that the incidence of morbidity and mortality predicted by POSSUM based on patients physiologic and operative risks factors was very similar to the observed outcome for each surgeon. CONCLUSION: Direct comparison of individual surgeon's performance based on crude rates of morbidity and mortality can be misleading. Risk-adjusted analysis allows more meaningful comparison.

Aged↗
PubMed2001

Randomized, controlled trials in surgery: perceived barriers and attitudes of Australian colorectal surgeons.

PURPOSE: Although the randomized, controlled trial has gained preeminence as the criterion standard for evaluating pharmaceutical treatments, randomized controlled trials in surgery have been perceived as difficult to surmount. Furthermore, attitudes of surgeons toward randomized, controlled trials are not well understood. We determined the views of Australian surgeons about feasibility of and barriers to surgical randomized trials. METHODS: All members of the Section of Colon and Rectal Surgery of the Royal Australasian College of Surgeons (n = 147) and all Australian colorectal subspecialist surgeons (n = 72) were mailed a questionnaire that included questions about surgical randomized, controlled trials. RESULTS: A total of 195 surgeons responded (89 percent). Two-thirds (66.7 percent; 95 percent confidence interval 59.5-73.1) of respondents agreed that "Randomized controlled trials should be the study design of choice" to evaluate new surgical procedures. Only 19 percent (95 percent confidence interval 13.9-25.3) endorsed the statement that "too much emphasis is placed on results of randomized controlled trials." Barriers to conducting surgical randomized, controlled trials identified by the majority included insufficient funding (74.4 percent; 95 percent confidence interval 67.5-80.2), a lack of support from the wider surgical community (55.9 percent; 95 percent confidence interval 48.6-62.9), and difficulties in convincing patients to accept random allocation to treatment (62.6 percent; 95 percent confidence interval 55.3-69.3). CONCLUSION: These results reveal positive attitudes among Australian surgeons toward randomized, controlled trials, although concerns about the feasibility of randomized, controlled trials have been reinforced.

Adult↗
PubMed2000

Operative mortality rates among surgeons: comparison of POSSUM and p-POSSUM scoring systems in gastrointestinal surgery.

PURPOSE: The original Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity and the more recent Portsmouth predictor equation for mortality scoring systems were developed to provide risk-adjusted mortality rates in general surgery. The aim of this study was to compare crude and risk-adjusted operative mortality rates among four surgeons using the above scoring systems and assess their applicability for patients scored retrospectively. METHODS: A total of 505 consecutive patients undergoing major gastrointestinal surgery were analyzed; 65 percent underwent colorectal, 27.5 percent underwent upper gastrointestinal, and 7.5 percent underwent small-bowel surgery. The observed:predicted mortality ratios using the Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity and Portsmouth predictor equation for mortality scoring systems were calculated for each surgeon. RESULTS: The actual overall operative mortality rate was 11.1 percent (elective was 3.9 percent, and emergency was 25.1 percent). The Portsmouth predictor equation for mortality equation predicted a mortality rate of 11.3 percent (P = 0.51). However, the Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity scoring system was found to overpredict death by a factor of two: 21.5 percent (P < 0.001). Mortality rates among the four surgeons varied from 7.6 to 14.7 percent but depended on the proportion of elective vs. emergency surgery. The observed:predicted ratio for Portsmouth predictor equation for mortality was close to unity (0.905-1.067) for all surgeons, but it was 0.45 to 0.56 for Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity. CONCLUSION: The Portsmouth predictor equation for mortality equation seems to be a more accurate predictor of mortality in gastrointestinal surgery. It would seem to provide the best choice for analyzing operative mortality rates for individual surgeons, taking into account variation in case mix and fitness of patients even when scored retrospectively. This has important implications for the future assessment of surgeons' clinical standards and the assessment of quality of surgical care.

Adolescent↗
PubMed2000

Surgeon influenced variables in resectional rectal cancer surgery.

PURPOSE: Surgeon influenced variables in rectal cancer surgery were assessed. METHODS: The literature was reviewed to discuss technical and educational issues that may affect the outcome of surgery for rectal cancer. Particular attention was paid to recently debated topics such as adjuvant therapy, colonic J-pouches, total mesorectal excision, and surgeons' training. RESULTS: In some selected cases, transanal techniques with or without neoadjuvant or adjuvant therapy have improved the success of local excision. The biology of rectal cancer has begun to be understood. However, until a more complete understanding with an appreciation of therapeutic implications has been arrived at, surgeon influenced variables will continue to be of paramount importance. Multiple studies have shown tremendous surgeon variability in the outcome after rectal cancer surgery. Some of the variables that have been shown to be important include tumor-free distal and lateral margins, a total mesorectal excision, and an appropriate anastomosis. It has been well demonstrated that proctectomy with straight coloanal anastomosis compromises function as compared with preoperative levels or healthy controls. These deficiencies are further exacerbated by adjuvant therapy. Significant functional improvements, particularly in the first 12 to 24 months after surgery, have been achieved with use of colonic J-pouch. CONCLUSION: There are many ways by which the surgeon can optimize curative resection for rectal cancer. Appropriate distal and tumor-free lateral margins with total mesorectal excision should be the goals for all tumors in the lower two-thirds of the rectum. Reconstruction should be performed, whenever technically possible, by a colonic J-pouch. Surgeons should be cognizant of their own practice patterns, volume, capabilities, and very importantly results. These results should be audited frequently and willingly shared with patients.

Anal Canal↗
PubMed1989

Suturing techniques of individual surgeons--differences in accuracy and mechanics.

The suturing techniques of fifteen surgeons with similar surgical experience were evaluated with respect to pinpoint accuracy and the force produced while suturing. Subjects were randomly selected from a group of surgeons whose surgical experience ranged from five to six years. Accuracy was determined by the deviated distance between the needle exit and the designated exit. Force was expressed as torques (F) loaded on a needle holder, and included the derivatives (dF/dt) and integrals (IF). Suturing times (T) were also measured. Ten attempts at suturing were allowed, using each of the following two methods: 1) allowing adjustment by wavering the needle to improve accuracy, and 2) suturing without wavering the needle. The differences in technique, on an individual basis, were highly significant. The accuracy and the mechanics, including the maximum F, maximum dF/dt, IF, IF/T, and T, all had a p-value of less than 0.0001. The surgeons' ranks according to these variables were also concordant, the Kendall's coefficients of concordance (W) being 0.60 (p = 0.002) for suturing done without wavering and 0.56 (p = 0.005) for that done with wavering. It was concluded that the surgeons' skill in suturing techniques differed significantly among individuals and that the surgeons' ranks according to the variables were also concordant. Thus, formal training in suturing techniques should be established as part of the training of all surgeons.

Clinical Competence↗
PubMed2003

Single-surgeon surgery in laparoscopic colonic resection.

PURPOSE: Short-term benefits have been demonstrated for laparoscopic-assisted colectomy. However, minimally invasive surgery is still in an evolutionary phase. In demonstrating that robotic devices also are useful in laparoscopic colonic surgery, it is fundamental to prove that a single surgeon can perform almost the entire operation on his own. METHODS: A single surgeon performed forty-one, laparoscopic-assisted, colorectal resections with the assistance of a robotic device (Automated Endoscopic System for Optimal Positioning, Computer Motion) maneuvering the laparoscope. A surgical assistant was included only for the open part of the operation. Main outcome measures were conversion rate, total operating time, and percentage of assistance by a second surgeon. RESULTS: There were no intraoperative complications, one case of conversion to open surgery, and three postoperative complications. The total operating time ranged from 126 to 252 minutes. A single surgeon with the assistance of a robotic device was able to perform approximately 70 percent of an ileocecal resection, 70 percent of a right hemicolectomy, 80 percent of a sigmoid resection, and 85 percent of a anterior rectal resection without further help of a surgeon. CONCLUSIONS: A single surgeon with the assistance of a computerized robotic system can complete at least two-thirds of a laparoscopic-assisted, colorectal resection on his own. The use of a robotic device in laparoscopic-assisted, colonic surgery is safe, efficient, and feasible, and will prove even more so in future. This also will result in a patient-driven demand for high-standard, minimally invasive surgery.

Adult↗
PubMed2000

[Professional profile of the established oromaxillofacial surgeon].

To qualify for further specialist training as a maxillofacial surgeon, a licence to practice in general medicine as well as a licence to practice in dentistry must be obtained beforehand. In addition to the 4-year course to qualify, maxillofacial surgeons can gain the additional qualification in the field of "plastic surgery" in a further course lasting 3 years. By the end of 1998, there were 698 maxillofacial surgeons in private practices in Germany in comparison to 322 hospital-employed maxillofacial surgeons. Of the work done by maxillofacial surgeons (in private practices), 28% is in contracted hospitals; this percentage is relatively high in comparison to other disciplines in which private specialists use contracted hospitals. It is impossible these days for an individual specialist to completely cover all areas of maxillofacial surgery. In our field, joint practices with an internal specialization will increase the spectrum and quality of treatment in the future and will counteract competition from hospital-employed specialists now that day-case surgery has been introduced in these hospitals. Further training by the individual will remain an indispensable necessity as well as personal involvement by every maxillofacial surgeon in the postgraduate medical training of doctors and dentists. This can only be achieved if the economic situation of specialists is maintained in health-politics.

Curriculum↗
PubMed2003

[Surgeons learn how to learn. Study of 76,499 herniorrhaphies performed between 1993 and 1997 registered by the chamber of physicians in Westfalia-Lippe].

INTRODUCTION: New techniques require "new" surgeons who are able to apply them safely. The bushfire-like employment of laparoscopic cholecystectomy confronted a community of surgeons totally inexperienced in that technique. Thus, the collective learning curve was paralleled by a temporary increase of postoperative complications. The aim of the following study was to analyze the learning curve for laparoscopic herniorrhaphy with regard to the complication rates during that period. METHODS: A total of 76,499 questionnaires from the external quality assurance of the Westfalia-Lippe physicians board registered between 1993 and 1997 were analyzed retrospectively. The parameters (duration of the operation and hospitalization, ASA classification, rate of obese patients, intra- and postoperative complications) were analyzed and plotted as a synchronized learning curve of the whole group of surgeons. RESULTS: As for laparoscopic cholecystectomy, a learning curve was found for laparoscopic herniorrhaphy, which could be attributed to a decreasing duration of the procedures and increasing ASA classification and rate of morbid obese patients while complication rates were kept constantly low. After 9 months of application laparoscopic hernia repair seemed to have been introduced to a new collective of surgeons while learning parameters showed inverse trends for a short period of time. The complication rate of laparoscopic hernia repair was constantly lower than in routine open inguinal hernia repair. CONCLUSION: Since laparoscopic inguinal hernia repair is a demanding method, surgeons apparently did not forget the lessons learned from the introduction of laparoscopic cholecystectomy as they were able to avoid increasing intra- and postoperative complication rates during their learning curve. Surgeons are learning to learn.

Adolescent↗
PubMed2000

Hashimoto's disease and thyroid lymphoma: role of the surgeon.

With the turn of the century, the role of the surgeon in the treatment of diseases such as Hashimoto's and thyroid lymphoma has diminished. That is not to say that the surgeon must not have a thorough understanding of these diseases and the role he or she plays in their diagnosis and treatment. Hashimoto's disease is a common disease. Not infrequently the endocrine surgeon is faced with a thyroid nodule in a background of Hashimoto's disease. Interpretation of fine-needle aspiration (FNA) of a nodule in a patient with the background of Hashimoto's disease may be misleading if the surgeon fails to understand the limitations of FNA. The role of the surgeon in the treatment and diagnosis of thyroid lymphomas has evolved from surgical debulking to open biopsy. With the use of irradiation and chemotherapy, the need for surgical debulking has nearly disappeared. The recent development of ancillary techniques such as light chain restriction, flow cytometry, gene rearrangement, and immunohistochemical staining have enabled cytopathologists to diagnose thyroid lymphoma by FNA, further diminishing the surgeon's role in the diagnosis and treatment of this disease.

General Surgery↗
PubMed2000

Future of thyroid surgery and training surgeons to meet the expectations of 2000 and beyond.

What is the future of thyroid surgery in the new millennium? How can surgeons keep abreast of advances in thyroid endocrinology, genetics, surgical therapy, and other aspects of thyroid disease management? How should surgeons be trained to become highly competent in thyroid disease and to perform safe, effective thyroid operative procedures? Nine internationally recognized endocrine surgeons were asked to express their views on these and related subjects. They noted that advances in molecular biology, pathology, and genetics of thyroid disease should allow more tailored surgical approaches during the twenty-first century. Current training of general surgical residents in thyroid and other types of endocrine surgery is highly variable, which may contribute to increased complication rates and number of second operations. The leadership for addressing these deficiencies and promoting a more organized approach to thyroid disease management should come from national endocrine surgery associations and their leaders. It is incumbent upon endocrine surgeons to maintain their central role in the management of many aspects of thyroid disease. Organizing teams of specialists into thyroid centers (centers of excellence) can (1) increase efficiency; (2) increase quality of care; (3) decrease costs; (4) encourage a more individualized approach to surgery; (5) lower complication rates; and (6) foster innovation in technology and disease management. Two years of additional fellowship training in thyroid and endocrine surgery is now being advocated by increasing numbers of national endocrine surgical associations as the best way to prepare surgeons for society's needs for highly skilled, competent thyroid surgeons of the future.

Clinical Competence↗
PubMed2004

Are surgeons equally satisfied after total knee arthroplasty?

INTRODUCTION: We performed a clinical follow-up study to investigate whether three orthopaedic surgeons were equally satisfied after total knee arthroplasty (TKA). PATIENTS AND METHODS: Thirty-six patients (39 TKAs, mean follow-up 12 months) were reviewed, using the Knee Society Clinical Rating System (KSCRS). For the assessment of satisfaction a visual analogue scale (VAS) was used. RESULTS: We did not find a significant difference in satisfaction between the surgeons. However, there was a significant difference in the knee score and function score of the KSCRS as evaluated by the orthopaedic surgeons (p=0.006 and p=0.04, respectively). The correlation between the knee score and the surgeons' satisfaction was high, which indicates that pain, range of motion and deformity are important success criteria for surgeons. CONCLUSIONS: In this study, surgeons scored differently in the KSCRS but were equally satisfied after TKA.

Adult↗
PubMed2003

Colonoscopy: why are general surgeons being excluded?

BACKGROUND: The role of surgeons as endoscopists has been extensively debated in the literature, with conflicting studies published regarding the safety and efficacy of surgeons performing colonoscopies. A multitude of medical federations and societies have set various standards for granting endoscopy privileges, many with a bias against general surgeons [1, 3]. We reviewed the colonoscopy experience at our institution to evaluate differences between gastroenterologists (GI) and general (GS) and colorectal surgeons (CRS) in procedure times and complication and cecal intubation rates. METHODS: Between January 2000 and July 2002, 5237 colonoscopies were performed at our institution. The data for procedure times, completion, and complication rates were collected in a prospective database. Complications were defined as perforation, bleeding, and postpolypectomy syndrome. Incomplete colonoscopies due to colitis, poor bowel preparation, or tumor obstruction were excluded. Chi-squared test was used to compare complication and cecal intubation rates between the three groups. Median procedure times were compared using the Kruskall-Wallis and Dunn's pairwise tests. A significant p-value was defined as <0.05. RESULTS: No differences in the complication rate was noted between the three groups: GI (0.12%), CRS (0.15%), and GS (0.11%) ( p = 0.99). There was a trend toward a lower incomplete colonoscopy rate in the GS group compared to CRS and GI: 0.32% vs 0.84% and 0.36%, respectively ( p = 0.07). The median colonoscopy times for GS (29 min), however, were shorter than for GI (34 min, p < 0.001) or CRS (31 min, p < 0.001). CONCLUSION: General surgeons perform colonoscopies expeditiously, with as low a morbidity rate and as high a completion rate as their gastroenterology or colorectal surgery colleagues. As the results of this study confirm, general surgeons should not be excluded from endoscopy suites.

Cecostomy↗
PubMed2004

Ergonomic assessment of the static stress confronted by surgeons during laparoscopic cholecystectomy.

BACKGROUND: Only a few reports on static strain in the spine, neck, and head of the surgeon are available, describing it as "distinctly harmful." The aim of this study was to objectively prove the static burden during laparoscopic operations. For this, new industrial software called PCMAN was used, capable of measuring and comparing the postures of the surgeon at different monitor placements. METHODS: Two simultaneous and synchronized video recordings of laparoscopic cholecystectomies (LC) were done using miniDV digital camcorders with the cameras standing at a 90 degrees angle to each other. Twenty operations were performed using two different placements of the monitor. In 10 cases, the monitor was placed at the patient's head in the center, and in 10 cases at the left side of the patient. Using the time codes of the recordings, different steps of the operation were identified, and the duration of these measured in seconds. Very characteristic, longer lasting postures were imported to and analyzed with the software. Results of the different setups were compared to each other, and to an "ideal" comfort posture. RESULTS: During the intermediate steps of the operations the rate of static phases is significantly higher. Measuring the typical postures of these phases the trunk and head are significantly more rotated and bent than in comfort positions. When the monitor was at the side of the patient facing the surgeon, results were closer to the comfort posture. CONCLUSIONS: It was proven that surgeons are confronted by significant static burden during LC. The software used was able to evaluate objectively the static posture of the surgeon during series of LC. Results also confirmed that the position of monitors significantly influences the surgeon's posture. Best setups for the whole team can be achieved by adjustable multiple monitor systems.

Adult↗