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A systematic review of reviews comparing the effectiveness of endoscopic and open carpal tunnel decompression.

Controversy persists regarding the benefit of endoscopic carpal tunnel release compared with open carpal tunnel release for pain, numbness, strength, return to work and function, scar tenderness, and complications. For surgeons, a recommended first source of information on treatment effectiveness is a review of high-methodologic-quality articles. This review of reviews was undertaken to answer this clinical question regarding these outcomes. Cochrane, MEDLINE, EMBASE, CINAHL, and HealthSTAR databases were searched using the key words "endoscopic carpal tunnel," with limits "review or overview" and dates from 1989 to present. Five key journals were hand-searched. Any review with a reference to at least one randomized controlled trial that compared endoscopic carpal tunnel release to open carpal tunnel release was to be included. Two reviewers independently scanned titles and abstracts for potential relevance. Selection as relevant was confirmed through a review of full texts. Disagreements were resolved through discussion and consensus. The selected reviews were assessed for methodologic quality on the basis of the scale of Hoving et al. Of 48 articles initially identified, seven pertinent reviews were selected. Of these seven, three reviews of high methodologic quality concurred that there is no difference between the two techniques in symptom relief and that the evidence is conflicting for return to work and function. The risk of permanent median nerve injury does not differ between the techniques. The reviews indicated that the endoscopic carpal tunnel release technique is worse in terms of reversible nerve injury but superior in terms of grip strength and scar tenderness, at least in short-term follow-up. Several trials have not been incorporated in these reviews and statistical pooling has not been conducted. Further systematic review with meta-analysis may permit more definitive conclusions about the relative effectiveness of these two techniques, particularly with regard to return to work and function.

Carpal Tunnel Syndrome↗

Comparison of laparoscopic-assisted vaginal hysterectomy with traditional hysterectomy for cost-effectiveness to employers.

OBJECTIVE: The purpose of this study was to compare the cost-effectiveness of laparoscopic-assisted vaginal hysterectomy to traditional total abdominal hysterectomy and total vaginal hysterectomy with regard not only to direct hospital costs but also to indirect costs. STUDY DESIGN: This was a combined retrospective cohort study (Canadian Task Force classification II-2) that was conducted in a suburban private practice. The cases of 268 patients who underwent hysterectomies over a 27-month period were analyzed to include clinical outcomes, direct hospital costs, and indirect costs (time to return to normal function, time to return to work, and time away from work required by other family members). RESULTS: For all patients, length of hospital stay and time of return to normal function were shorter for laparoscopic-assisted vaginal hysterectomy than for total abdominal hysterectomy and total vaginal hysterectomy. For working patients, time to return to work and time off for working family members were all significantly shorter after laparoscopic-assisted vaginal hysterectomy when compared with both total abdominal hysterectomy and total vaginal hysterectomy. Operating times were similar for total abdominal hysterectomy and laparoscopic-assisted vaginal hysterectomy, and complications were greater for total abdominal hysterectomy. In a comparison of all procedures, direct hospital costs were greatest for laparoscopic-assisted vaginal hysterectomy and least for total vaginal hysterectomy. CONCLUSION: For most patients, laparoscopic-assisted vaginal hysterectomy provides a minimally invasive way to accomplish a hysterectomy with a lower cost to employers (payers) on the basis of lost work hours.

Adult↗

Low-back pain. Factors of value in predicting outcome.

Two separate samples of 50 workers' compensation patients were assessed within 3 to 6 months of their first back injury and were reassessed at a mean of 13.7 months postinjury, at which time work status was also determined. A number of predictors on the first assessment then were correlated with return to work. These predictors included orthopaedic evaluations of severity and prognosis, the number of nonorganic physical signs, Minnesota Multiphasic Personality Inventory (MMPI) scales 1 and 3, age, education, proficiency in English, and the accuracy of patients' understanding of the bases for their medical condition as determined by the Schema Assessment Instrument (SAI). The SAI was the only variable to predict return to work significantly in both samples. These data point to the importance of patients' understanding of their medical condition for their prognosis.

Adult↗

Activity level and employment status after coronary bypass surgery.

Questionnaires were sent to 1,100 postoperative coronary patients to evaluate their symptoms, activity level and employment status. Ninety percent considered themselves improved and more active since surgery. Many of the patients were approaching retirement age at the time of surgery, and 20 percent of the group entered retirement postoperatively. Disregarding those who were unemployed or disabled from noncardiac illness before surgery, 82 percent of the patients either retired or returned to work after coronary surgery. From an economic standpoint, the disabled patients who have been able to return to work by virtue of the operation will generate for the economy 34 percent more than the total cost of surgery for all the patients.

Coronary Artery Bypass↗

Arthroscopic diagnosis and treatment of intra-articular insertional injuries of the suspensory ligament branches in 18 horses.

REASONS FOR PERFORMING STUDY: Clinical association between the branches of insertion of the suspensory ligament (SL) and metacarpophalangeal (MCP) and metatarsophalangeal (MTP) joints has been reported. However, there has been no assessment of the lengths of the SL branches which are subsynovial with respect to the joints or reports of involvement of the MCP/MTP joints in injuries of the SL branches. OBJECTIVES: To establish proportions of SL branches subsynovial with respect to the MCP/MTP joints and report clinical and arthroscopic findings in horses with desmitis of SL branches identified as having an articular component to the lesion. HYPOTHESIS: Arthroscopic surgery enables identification and potential treatment of intra-articular injuries of SL branches. METHODS: Twelve forelimbs and 13 hindlimbs were dissected and the total and subsynovial lengths of the SL branches recorded. Case records of horses with intra-articular injuries of the SL branches were reviewed and 18 animals identified. Diagnostic information and arthroscopic findings were recorded and results of treatment determined by telephone follow-up. RESULTS: Of SL branches, 28.45% in the forelimb and 29.56% in the hindlimb were subsynovial to the MCP and MTP joints. All animals with intra-articular lesions of the SL branch were lame and had distension of the affected MCP/MTP joint. In 16 horses (17/22 branches), there was palpable thickening of the affected SL branch. Disrupted infrastructure was evident ultrasonographically in 15/17 branches and involvement of the dorsal articular surface of the ligament was predicted in 12/17 branches. Following arthroscopic intervention, 13 horses returned to work at a level equal to or greater than that achieved prior to injury and 2 returned to work at a lower level. Three horses incurred separate injuries and were retired or subjected to euthanasia. CONCLUSIONS: Articular involvement should be considered in animals with injuries of an SL branch and concurrent distension of the MCP/MTP joint. Arthroscopy is necessary to identify such lesions confidently and to direct case management. POTENTIAL RELEVANCE: Arthroscopy of the MCP/MTP joints can make a positive contribution to the assessment and management of some SL branch injuries.

Animals↗

Effect of short-term physical training on patients with rheumatoid arthritis. a six-month follow-up study.

Twenty-three patients with rheumatoid arthritis were retested about 6 months after 5 weeks' physical conditioning and 7 patients from a former control group were also retested. Former training group patients, who had continued to train about 4 times or more per week, had maintained the improved physical status obtained during the initial conditioning, while those patients who had trained less than that or discontinued training, had lost some or most of their improvement. The physical status in the former control group was virtually remained unchanged. Joint status in the former training group was no different at re-test than at post-training or pre-training examinations. A questionnaire, given to the training group patients. Four patients from this group returned to work had positively affected the daily physical activity of these patients. Four patients from this group returned to work after the hospital training program.

Adult↗

Endoscope-assisted inguinal hernia repair.

BACKGROUND: Since the advent of laparoscopic inguinal hernia repair, the procedure has invited numerous controversies, and although the procedure has some definitive advantages, no definitive indications for its use have been formulated. The objective of this study was to investigate a novel method for inguinal hernia repair (through a small 2 cm to 2.5 cm) single skin incision that combines the time-tested fundamentals of Lichtenstein's tension-free repair with the advantages of laparoscopic assistance. METHODS: The study was conducted as a randomized, controlled trial over a 1-year period and included 50 patients. Only patients with simple reducible hernias without associated comorbid conditions were included. The patients were randomized into 2 groups of 25 patients each. One group underwent conventional tension-free meshplasty, while the other group underwent the repair through a single 2-cm to 2.5-cm skin incision with laparoscopic assistance. This repair was carried out with the help of an indigenously designed steel retractor, 10-mm laparoscope, and conventional instruments; the mesh was fixed with the help of endotacks. Univariate analysis of variance techniques using SPSS 7.5 software was used for data analysis. RESULTS: Two groups were compared for time taken for the procedure, size of skin incision, postoperative pain, complications, return to work, and cosmetic appearance. The results showed a significant decrease in postoperative pain and an earlier return to work, along with much improved cosmesis for the new procedure. CONCLUSIONS: Although the study was conducted with a limited number of patients and a very short follow-up, it is worth considering this method over laparoscopic and conventional techniques, especially in reducible hernias.

Adult↗

Resumption of work after aneurysmal subarachnoid hemorrhage in middle-aged Japanese patients.

OBJECT: Previous reports on the results of treatment for aneurysmal subarachnoid hemorrhage (SAH) have been based only on activities of daily living after discharge, whereas resumption of work has received insufficient attention. Most Japanese work under a lifetime employment system, and it is best for those who have recovered from SAH to return to work for their previous employer. The present study was conducted to determine the extent to which discharged patients who have suffered an SAH resume their former occupations in Japan, focusing on those between 40 and 49 years of age, who usually have a strong desire to return to work. METHODS: The participants consisted of 193 patients with SAH. Based on the results of telephone interviews or written questionnaires, their work status at 1 year after onset was analyzed. The work resumption rates for patients with Hunt and Kosnik neurological Grades 1 or 2 on admission were higher than for those with Grades 3 or 4 (p = 0.015) and lower for patients with basilar artery aneurysms than for those with aneurysms at other sites (p = 0.028). With regard to premorbid occupation, the work resumption rates were high (80%) for professionals and engineers, many of whom were public servants, or teachers at junior or senior high schools. The resumption rates were also high for primary industry workers (80%), but lowest (20%) for professional drivers (p = 0.04-0.001). The work resumption rate was lower for women than for men (p = 0.01). CONCLUSIONS: These findings indicate that resumption of work is determined not only by medical factors, but also by social factors including gender, type of occupation, employment system, and socioeconomic background.

Activities of Daily Living↗

Stabilized subcutaneous ulnar nerve transposition with immediate range of motion. Long-term follow-up.

BACKGROUND: Anterior transposition of the ulnar nerve at the elbow produces generally good results regardless of whether the nerve is transposed subcutaneously, intramuscularly, or submuscularly. The eventual recovery of nerve function is related less to the specific surgical technique than to the severity of the intrinsic nerve pathology. A primary variable in surgical management is the duration of postoperative elbow immobilization. The purpose of this study was to review the longterm results of a specific technique of subcutaneous anterior transposition of the ulnar nerve that utilizes a stabilizing fasciodermal sling. The study compared the results of immediate and late institution of a range of motion postoperatively. METHODS: Forty-seven patients with fifty-one elbows were reexamined, by an investigator who had not been involved in their treatment, at a minimum of two years (range, twenty-four months to fourteen years) after an anterior transposition. Of the fifty-one elbows, twenty-one were immobilized for two to three weeks whereas thirty were managed with an immediate range of motion. RESULTS: At the latest follow-up evaluation, there were occasional, mild paresthesias in 16 percent of the limbs and there was still subjective weakness of 19 percent. Both pinch and grip strength had increased substantially. No patient had lost elbow motion. A positive Tinel sign persisted in 31 percent of the limbs, but it was mildly positive in most of them. The elbow flexion test was uniformly negative. The results for 92 percent of the limbs were satisfactory to the patients, who stated that they would undergo the same procedure again if necessary. Overall, 73 percent of the limbs had an excellent result; 18 percent, a good result; 4 percent, a fair result; and 6 percent, a poor result. With the numbers available, no significant difference could be detected, with regard to these outcomes, between the group managed with elbow immobilization and that managed with immediate elbow mobilization. However, patients treated with a postoperative cast returned to work at an average of thirty days after surgery whereas the group treated with immediate motion of the elbow returned to work at an average of ten days. CONCLUSIONS: This technique of stabilized subcutaneous anterior transposition of the ulnar nerve yielded predictably good results for a wide spectrum of patients. Patients returned to their occupation sooner when the elbow had been mobilized immediately.

Adult↗

Laparoscopic cholecystectomy: its impact on national health economics.

OBJECTIVE: To assess whether sound economic reasons exist for the wider introduction of laparoscopic cholecystectomy in Australia. DESIGN: A retrospective survey of patients who underwent laparoscopic cholecystectomy. We compared time of hospital stay and time off work after laparoscopic cholecystectomy with data for open cholecystectomy. PATIENTS AND SETTING: Seventeen participating surgeons in four Australian States allowed access to patients treated between May 1990 and November 1991 (1254 patients in all). MAIN OUTCOME MEASURES: Patient acceptability of the procedure, average length of postoperative in-hospital stay, and the savings associated with earlier return to work compared with open cholecystectomy. RESULTS: Almost 90% of patients (1127) replied and 1088 responses were considered appropriate for analysis. Serious complications were rare; 96% of patients thought the technique was successful. The mean length of in-hospital stay was 2.6 days (range, 1-120), compared with a mean of 8.7 days for open cholecystectomy. Among working patients, the mean time to return to work was 11.6 days (range, 10.7-13.1), an estimated 27 days sooner than after open cholecystectomy. Extrapolating from these results, replacing 95% of open cholecystectomies with laparoscopic procedures would have 133,285 hospital bed-days and 500,000 work-days each year. CONCLUSION: Laparoscopic cholecystectomy is safe and effective. Its wider use in Australia would result in savings to both the individual and the national economy.

Absenteeism↗

Morbidity impact of rheumatoid arthritis on society.

Classic and definite rheumatoid arthritis affects from 0.5 to 1 percent of the United States' population between the ages of 20 and 80. In the age group of 55 to 75 years, this figure increases to 4.5 percent. In addition to the pain and suffering produced by this disease, family structure is dramatically affected--the divorce rate for patients with rheumatoid arthritis is 70 percent above that for the general population. Rheumatoid arthritis also results in serious economic loss to society. In 1983, the direct cost (out-of-pocket expense for medical care) was $777 million, and the indirect cost (loss of productivity) was $215 million, with a total of approximately $1 billion. The average person with stage III rheumatoid arthritis suffers a 60 percent decline in earnings during the first six years after onset of the disease. Recent studies have indicated that the ability to remain employed depends at least as much on job-related factors as on the extent of disease or success of medical treatment. Job autonomy or the ability to control one's working conditions is the most important factor. Other important variables are education, seniority, and work that is not excessively physically demanding. Good transportation between home and job is also an essential requirement for remaining employed. There are few data available on the cost/benefit ratio of the treatment of rheumatoid arthritis. An 18-month study showed a trend toward greater improvement in patients given optimal care by a team of experts in a medical center as compared with average treatment provided in the community. A study in Scotland on cost of hospitalization of 366 patients (about one half underwent surgery) showed cost benefits of xi 14,000 to xi 131,000 over a five- to 10-year period for those who returned to work. Patients who did not return to work incurred medical costs of xi 100,000. There is little question that more effective medical treatment and better rehabilitation strategies for people with rheumatoid arthritis would provide significant benefits for patients, their families, and society.

Adolescent↗

Self-training versus physiotherapist-supervised rehabilitation of the shoulder in patients treated with arthroscopic subacromial decompression: a clinical randomized study.

In a controlled clinical prospective study, 43 consecutive patients (43 shoulders) with subacromial impingement resistant to conservative therapy and without full-thickness rotator cuff tears underwent arthroscopic subacromial decompression. The patients were randomized to either self-training or physiotherapist-guided rehabilitation for immediate postoperative rehabilitation. Postoperative follow-up was performed by an independent observer after 3, 6, and 12 months. With the use of the Constant score for evaluation of functional outcome, patients training themselves improved from a mean 53 points (range 26 to 81 points) to a mean 79 points (range 45 to 100) points after 12 months. Physiotherapist-supervised patients improved from a mean 54 points (range 20 to 90 points) to a mean 80 points (range 40 to 100 points). The self-training patients returned to work after a mean 8.5 weeks (range 1 to 14 weeks), whereas the physiotherapist-supervised patients returned to work after a mean 8 weeks (range 3 to 13 weeks). No statistical difference was found between the 2 rehabilitation methods. This study was unable to show any beneficial effect of physiotherapist-supervised rehabilitation after arthroscopic subacromial decompression of the shoulder.

Adult↗

Long-term results of flap reconstruction in median sternotomy wound infections.

Reconstruction of infected median sternotomy wounds using muscle and omental flaps has been shown to result in significantly reduced morbidity, mortality, and length of hospital stay. Despite these benefits, very little is known about the potential long-term sequelae of such procedures. The purpose of this study was therefore to evaluate the ultimate functional outcome in such patients. One-hundred and thirty-three consecutive patients underwent debridement and flap reconstruction of their infected median sternotomy wounds over an 8-year period. Eighty patients were available for follow-up and responded to a questionnaire. Forty-eight patients consented to a physical examination. The length of follow-up ranged from 15 to 108 months (average 48 months). Healed wounds were obtained in 99 percent of patients. Fifty-one percent of patients noted persistent pain or discomfort, particularly in the chest and shoulder. Forty-four percent noted areas of numbness/paresthesias, mainly on the chest. Thirty-four patients (42.5 percent) noted symptoms of sternal instability; of those consenting to an examination, 45 percent were confirmed to have instability. Twenty-six patients (32.5 percent) claimed postoperative weakness (shoulder/abdomen). Significant shoulder weakness was not demonstrated; however, abdominal weakness was substantial. Thirty-six percent of patients reported an inability to perform the same preoperative activities that were of importance to them (sports, housework, etc.). Of those patients eligible to return to work, 52 percent did not. Patients younger than age 60 had a somewhat higher chance of not returning to work. Scars were noted to be good to excellent in 75 percent, but contour abnormalities of the chest and abdomen were found in 85 percent.(ABSTRACT TRUNCATED AT 250 WORDS)

Abdominal Muscles↗

The rehabilitation of injured workers in New Zealand: a pilot study.

At the request of the local office of the Accident Compensation Corporation (ACC) we established a centre which offered a multidisciplinary rehabilitation programme consisting of a full assessment and an eight week individually planned and monitored fitness programme. The clients progressed to occupational therapy, work trials, and later to paid work. The programme included education about back care and health maintenance, and relaxation techniques. Of the 48 injured people who attended the centre, 37 were assessed as suitable to enter the programme, and 32 people took part. Outcome, measured as return to work or change in assessed fitness to work, was not related to age, sex, marital status, length of time since accident, or work category. Only 25% of workers returned to jobs in medium or heavy manual work. Sickness impact profile total and physical scores improved over the programme, but did not correlate significantly with return to work or fitness for work. Client perception of benefit was not significantly related to outcome. We analysed data from the 20 clients with claims longer than 6 months separately because matched case controls could not be provided by the ACC. Six months after completion of the programme, four were in paid employment, four in prolonged work trials, one in a job partly paid by the ACC, and one setting up his own business. Their return to the work force demonstrated the effectiveness of the centre in restoring people to function after prolonged periods of inactivity.

Accidents, Occupational↗

The effect of vocational rehabilitation and work incentives on helping the disabled-worker beneficiary back to work.

This article is the second in a series of articles that use data from the New Beneficiary Followup survey to analyze the work efforts of the Social Security Administration's Disability Insurance beneficiaries. Survival analysis techniques are used to determine the effect of vocational rehabilitation efforts and work incentive program provisions on actual work outcomes. The findings indicate that the demographic variables of age, gender, race, education, and marital status affect the tendency to return to work in the expected way. The results suggest a possible disincentive effect may be built into certain work incentive provisions of the program. The encouraging news is that the vocational rehabilitation efforts seem to have a positive effect on the tendency to return to work. Physical therapy, vocational training, general education, and job placement efforts all seem to increase the tendency to go back to work.

Age Factors↗

Work status after coronary artery bypass operation.

Cost benefit arguments have been advanced for the coronary artery bypass graft operation. Most patients experience improvement in symptoms and many can return to a productive livelihood. To estimate the rate of return to work and identify the factors influencing the outcome, we analysed the work status before and after operation in 100 consecutive patients undergoing CABG operation. Overall relief or improvement in symptoms was accomplished in 80% of the patients and there was a 5% net increase to the work force after surgery. Of all variables studied, preoperative work status and the educational level, symptomatology and patency of the CABG (in the 62 patients in whom this parameter was checked) were found to be the most relevant predictors of the postoperative return to work. Coronary artery bypass graft surgery appears to be a positive intervention for improving the work status of patients with severe coronary artery disease.

Aged↗

The effects of a cognitive-behavioral pain management programme on the quality of work and employment status of severely impaired chronic pain patients.

This study examined changes in employment status and quality of work in 109 chronic pain patients who underwent a cognitive-behavioural pain management course; 68% of patients were female, mean age was 45 years, mean pain chronicity 10.7 years, 70% had spinal pain, and mean impairment on the Sickness Impact Profile was 26%. Twenty-six per cent of patients were employed at pre-treatment; the remaining 74% had been unemployed for 4.3 years on average. Measures of work status and quality, mood, pain, self-efficacy and walking performance were taken before admission, and at 1-, 6-, and 12-month follow-ups. Among employed patients quality of work scores improved by 35% from pre- to post-treatment (p < 0.01). Thirty per cent of previously unemployed patients returned to work during the 1-year follow-up, although employment status fluctuated greatly during this period. Non-workers were generally more impaired than workers on most measures, but the same measures did not differentiate between those who successfully returned to work and those who remained unemployed.

Affect↗

A randomized, controlled trial of diathermy hemorrhoidectomy vs. stapled hemorrhoidectomy in an intended day-care setting with longer-term follow-up.

PURPOSE: Hemorrhoidectomy is the most effective long-term treatment for hemorrhoids. Although it is possible to perform hemorrhoidectomy as a day case with a high degree of patient satisfaction, patients take an average of 14 days off work after surgery. Stapled hemorrhoidectomy is believed to be less painful than conventional hemorrhoidectomy and should allow an earlier return to work. The aim of this study was to compare both the immediate and the long-term results of stapled hemorrhoidectomy with diathermy hemorrhoidectomy in patients with prolapsing internal hemorrhoids in an intended day-care setting. METHODS: Thirty-one patients were randomly assigned to undergo diathermy hemorrhoidectomy (n = 16) or stapled hemorrhoidectomy performed with a purpose-designed endoluminal stapling device, PPH01T (n = 15). All operations were planned as day or short-stay cases. All patients received lactulose, commenced preoperatively, together with postoperative topical glyceryl trinitrate and oral metronidazole. Patients were assessed by structured interview to assess their symptoms before and after surgery, with an intended follow-up of six months. All patients completed a 10-cm visual analog pain scale daily for the first ten days after surgery. RESULTS: The total pain score (sum of all pain scores) was significantly higher in the diathermy group (50 (range, 9.8-79.9) vs. 19.6 (range, 1.3-89.5), P = 0.03). Patients took a median of 14 (range, 3-21) days off work after diathermy hemorrhoidectomy compared with 10 (range, 3-38) days for the patients undergoing stapled hemorrhoidectomy (P = 0.15). At long-term follow-up, three patients (all in the stapled group) developed new symptoms of fecal urgency and anal pain, and three patients required further surgery to remove symptomatic external hemorrhoids after stapled hemorrhoidectomy. CONCLUSIONS: Although stapled hemorrhoidectomy is less painful in the short term, this does not lead to a significantly earlier return to work, and some patients develop new symptoms at long-term follow-up.

Adult↗