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PubMed1992

ELISA test for antimeningococcal IgG and IgM antibodies: application to epidemiology and diagnosis.

We have developed an enzyme-linked immunosorbent assay (ELISA) in order to quantitate antimeningococcal IgM and IgG serum antibodies. The B:15 meningococcal strain was used as coating antigen, and class specific antibodies were detected by using alkaline phosphatase labelled rabbit anti-human IgM or IgG as conjugate. The specific IgG activity was higher in sera from healthy meningococcal carriers than non-carriers, but the difference was not statistically significant. Antimeningococcal IgM serum antibodies were more frequent in carriers that in non-carriers. Acute sera from 34 patients with fulminant meningococcal disease contained less specific IgG and had a higher prevalence of IgM than healthy carriers and non-carriers. By combining measurement of antimeningococcal IgG and IgM antibodies in both acute and convalescent sera 15/18 meningococcal patients demonstrated an increase in either IgG and IgM antibodies during the hospital stay, giving a sensitivity of 83%. 8/118 individuals without meningococcal disease had detectable specific IgM antibodies in their serum, giving a clinical specificity of the test of 93%. We conclude that quantitation of specific IgG antimeningococcal antibodies by a whole bacteria ELISA test may be a useful test for the study of immunity against meningococcal disease in single individuals as well as in epidemiological studies. The combined use of the IgG and IgM tests is helpful in the diagnosis of meningococcal disease when blood or cerebrospinal fluid cultures are negative.

Antibodies, Bacterial↗
PubMedDate not supplied

Effective discharge preparation of elderly cataract day surgery patients.

Nurses should ensure that prior to discharge, cataract surgery patients acquire basic knowledge about the surgical procedure, postsurgical recovery, and safe, appropriate health-care practices during early convalescence. The Modified Knowledge Test may be a functional, easy to administer tool to assess and track patient's knowledge about their post-cataract surgery recovery and safe, appropriate health-care practices during the early convalescent period. Patients can acquire most of the requisite knowledge regarding cataract extraction surgery prior to hospitalization. Some patients require reinforcement or remedial health teaching during hospitalization.

Aged↗
PubMed2000

Laparoscopic lymphocelectomy: a multi-institutional analysis.

PURPOSE: Because symptomatic lymphoceles are infrequent, single center studies generally report small numbers of patients. We report a multi-institutional experience with and long-term outcome following laparoscopic lymphocelectomy in 81 patients. MATERIALS AND METHODS: Data were obtained from 9 institutions at which at least 5 cases of laparoscopic lymphocelectomy had been performed. Baseline patient demographics, operative time and blood loss, special operative adjunct techniques, postoperative course, convalescence, complications and lymphocele recurrence data were collected and analyzed. RESULTS: A total of 56 men and 25 women with a mean age of 41 years were included in the study. Lymphocele formed after renal transplantation in 78 patients (96%) and after pelvic lymph node dissection in 3 (4%). Average operating time was 123 minutes with a mean blood loss of 43 ml. Omentopexy was performed in 11 cases (13.6%). No intraoperative stenting of the transplant ureter was performed. Intraoperative complications consisted of laryngospasm, bladder injury, inferior epigastric artery injury and mild renal capsule hematoma in 1 patient each. Conversion to open surgery was required for repair of bladder injury in 1, repair of preexisting hernia in 1, unusually thickened lymphocele wall in 1 and inaccessible lymphocele location in 4 cases. Mean time to ambulation and resumption of regular diet was 1 day, and mean hospital stay was 1.5 days. Postoperative complications included trocar site hernia in 1 and urinary retention in 2. Convalescence averaged 2.5 weeks. During a mean followup of 27 months 5 patients (6%) had lymphocele recurrence. CONCLUSIONS: Laparoscopic lymphocelectomy is safe, minimally invasive and effective. It is an excellent alternative to the conventional open surgical approach.

Adult↗
PubMed2001

Persistence of anti-leptospiral IgM, IgG and agglutinating antibodies in patients presenting with acute febrile illness in Barbados 1979-1989.

The persistence of anti-leptospiral IgM and IgG antibodies and agglutinating antibodies was studied in serologically confirmed cases of severe leptospirosis during the acute illness and over periods of several years after recovery. The antibody response in non-leptospirosis patients presenting to hospital with similar symptoms over the same period of time was used to estimate the background antibody level to leptospirosis in the community. All patients enrolled in the study had blood samples collected twice in the acute stage of illness, once during convalescence and then annually from the time of initial hospitalisation until the end of the study period. Six hundred and thirty-eight patients presented to hospital with acute febrile illness, of whom 321 were diagnosed with leptospirosis. Patients who had severe leptospirosis commonly remained seropositive, with IgM, IgG and agglutinating antibodies detectable for several years after infection. A significant proportion of cases had high titres of agglutinating antibody detectable by the microscopic agglutination test (> or = 800). There were marked differences in the magnitude and duration of persistence of agglutinating antibodies directed against different serogroups. More than 20% of cases with evidence of infection with serogroup Autumnalis retained titres of >800, 4 years after the acute illness. In one case a titre of 800 was detected 11 years after infection. Persistence of agglutinating antibody titres can create problems in interpretation of serological results and make it impossible to estimate the time of infection, given a specific titre. This study demonstrates that in endemic areas where seroprevalence is high, use of a single elevated titre is not reliable to define a current infection.

Agglutination Tests↗
PubMedDate not supplied

Posthospital convalescence in older women with hip fracture.

Women who had lived at home before hip fracture repair (N = 120, M age = 79.9) were interviewed before hospital discharge and at 2, 8, and 14 weeks postdischarge to determine (a) early recovery patterns in function and mood, (b) factors predictive of assistance needed in mobility and perceived mobility compared to prefracture status, (c) problems faced, and (d) advice to others. The mobility pattern was that of a relatively rapid gain until 8 weeks, with a smaller gain from 8 to 14 weeks. Affective mood distress was low except in those going to nursing homes. Somatic mood distress was high, decreasing only gradually. Factors predictive of needed assistance in mobility and of perceived mobility included both those without potential for nursing intervention (age, prefracture mobility, how fell, and type of surgical procedure), and those with the potential for intervention (affective distress, fatigue, and urinary problems). Persistent problems related to limitations in mobility, especially in dressing. Overwhelmingly, subjects advised the need for maintaining a good mental attitude.

Activities of Daily Living↗
PubMed2001

Upper and mid-ureteric stones: a prospective unrandomized comparison of retroperitoneoscopic and open ureterolithotomy.

OBJECTIVES: To review our experience of retroperitoneoscopic ureterolithotomy (RPUL) and to compare the results with those from open surgery. PATIENTS AND METHODS: Between March 1994 and mid-December 2000, 55 patients with large (mean 2.1 cm) upper and mid-ureteric calculi, and with normal renal values, underwent RPUL. In 22 patients, earlier attempts with extracorporeal shock wave lithotripsy and ureteroscopy had failed. These patients were compared with 26 (mean stone size 2.4 cm) who underwent open ureterolithotomy during the same period. The two groups had similar distributions for age, sex, stone size and stone location; most stones were calcium-based. RESULTS: The mean operative duration and blood loss for RPUL and open surgery were 108.8 and 98.8 min, and 58.5 and 50.5 mL, respectively (not significant). The mean analgesic (pethidine) requirement and hospital stay for RPUL and open surgery were 41.1 and 96.9 mg, and 3.3 and 4.8 days, respectively (P<0.001). The duration of convalescence was significantly less after RPUL than open surgery (1.8 weeks vs 3.1). There were 10 conversions, which occurred early in the series, and one significant complication amongst patients who underwent RPUL. CONCLUSIONS: RPUL is comparable with open surgery for operative duration and blood loss, but the laparoscopic procedure has significant advantages over open surgery for analgesia, hospital stay, recuperation and cosmesis. RPUL is a viable alternative for large upper and mid-ureteric calculi and in those patients where a previous attempt at endourological management has failed. However, the technique requires significant training and experience before good results can be obtained.

Adult↗
PubMed2005

A qualitative study of the information needs of acute myocardial infarction patients, and their preferences for follow-up contact after discharge.

BACKGROUND: Several studies have claimed that patients have unmet information needs after discharge following acute myocardial infarction (AMI). Our overall goal is to develop a post-discharge nursing intervention program to provide patients with appropriate information and support in contexts where existing follow-up services are poorly developed. AIMS: To explore the information needs of inpatients with AMI and their preferences for follow-up contact after discharge from hospital. METHODS: Fourteen AMI patients aged 42-69 years participated in one of three focus groups, held between 3 and 5 months after their discharge. RESULTS AND CONCLUSIONS: The findings are grouped into three themes corresponding to the major topics in the interview guide: the hospital stay, coming home, and patients' follow-up preferences. The data support the findings of previous studies that there is a systemic failure to meet patients' in-hospital and post-discharge information needs. Most importantly, our participants' follow-up preferences favoured open telephone lines and telephone follow-up. The results of this study provide some of the knowledge that is necessary to improve patient information and support following AMI.

Adult↗
PubMed1992

Quality of life in the first 100 days after suspected acute myocardial infarction--a suitable trial endpoint?

STUDY OBJECTIVE: The aim was to determine the loss of quality of life following admission to hospital with suspected myocardial infarction. DESIGN: The study involved a cohort of admissions, with interview and follow up for 100 days. Main outcome measures were the quality of life prior to admission and at each stage of convalescence, estimated using the Rosser-Kind matrix: the calculated number of quality adjusted days during a 100 d follow up period. SETTING: The study took place in a teaching hospital in Scotland. PATIENTS: 206 patients were admitted with suspected acute myocardial infarction. Infarction was confirmed in 160 (Q wave infarcts 100, non-Q-wave infarcts 60), and unconfirmed in 46. MAIN RESULTS: The quality of life scores before the suspected heart attack were similar for patients whose final diagnosis was Q wave infarction, non-Q-wave infarction, or non-infarction. Of the 160 patients with confirmed infarction, only 54 (34%) had regained their previous quality of life scores at the end of 100 days, compared with 26 of 46 (57%) patients with unconfirmed infarction (p < 0.01). The mean numbers of quality adjusted days lost to patients with Q wave infarction, non-Q-wave infarction, and non-infarction were 17.0, 12.4, and 5.9 respectively (infarction v non-infarction, p < 0.0001). Measurements of both quantity and quality of life contributed to these results. CONCLUSIONS: The number of quality adjusted days lost after acute myocardial infarction is a practicable measurement that is relevant to patients' lives. It might be suitable as an outcome measure for clinical trials of thrombolytic therapy.

Adult↗
PubMed2001

[Convalescence recommendations after hysterectomy. A study of opinions among Danish physicians].

INTRODUCTION: The aim of this study was to describe advice and restrictions given by Danish general practitioners (GPs) and gynaecologists to patients after uncomplicated hysterectomy. MATERIALS AND METHODS: Four hundred and ninety-one randomly selected GPs and 433 gynaecologists received a postal questionnaire in 1998/1999. The questions concerned the length of recommended sick leave, lifting restrictions, and time to resumption of seven defined common activities after hysterectomy. In addition, the gynaecologists were asked about the use of vaginal packaging, bladder catheters, and expected length of hospital stay. RESULTS: The total response rate was 72%. GPs and gynaecologists recommended a median of 4 weeks (1-8 weeks) of convalescence after hysterectomy to patients, whose work did not involve heavy lifting, and a median of six weeks (2-12 weeks) to women, whose work did. Responses concerning the resumption of common activities showed considerable variation, for instance patients were advised to postpone sexual intercourse for a median of four weeks postoperatively (0-12 weeks). Lifting restrictions varied from lifting a maximum of 15 kg for two weeks to a maximum of 2 kg for 12 weeks. CONCLUSION: A considerable variation was found in recommendations and regimens for hysterectomised patients. Evidence-based guidelines do not exist, and until these are available, the national and local boards of physicians need to agree on what restrictions should be given to patients.

Attitude of Health Personnel↗
PubMed1984

Incidence of coxsackievirus B type 4 (CB4) infections concomitant with onset of insulin-dependent diabetes mellitus.

From September 1979 to August 1981, a total of 25 children with newly diagnosed insulin-dependent diabetes mellitus (IDDM) were admitted for management to the Pediatric Ward, Lubbock General Hospital, Lubbock, Texas. Parents of the 24 admitted patients gave informed consent for their child to participate in the study. While hospitalized, all study patients donated early-phase (acute) blood samples and specimens for virus isolation attempts. Eighteen of the 24 patients originally enrolled in the study continued to come for follow-up visits to the Endocrinology Clinic of the Department of Pediatrics, and hence, provided the late-phase (convalescent) blood samples for the completion of serologic evaluation. The result of this two-year survey is the following: 1) one of the 24 hospitalized cases yielded a non-CB4 enterovirus; (2) serologically, only 2 of 18 IDDM patients showed some CB4 neutralizing antibody (NtAb) activity, ie, rising titers in their late phase sera. In view of the time of onset of patients' symptoms compatible with IDDm, the diabetogenic input of a past CB4 infection could have been considered in one of these two patients. In conclusion, results of our two-year study indicate that occasionally the onset of IDDM might be associated with an acute CB4 infection.

Adolescent↗
PubMed2004

Routine mechanical ventricular assist following the Norwood procedure--improved neurologic outcome and excellent hospital survival.

BACKGROUND: Although excellent survival following the Norwood procedure for palliation of hypoplastic left heart syndrome (HLHS) is being achieved by some, most centers, especially the ones with small surgical volume and limited experience, continue to struggle with initial results. Survivors often showed evidence of significant neurologic injury. The early postoperative care is labor-intensive as attempts are made to balance the systemic and pulmonary circulation for these infants. We report our experience with routine use of mechanical circulatory assist to support the increased cardiac output requirements present following Norwood procedure. METHODS: Eighteen consecutive infants undergoing Norwood operation for HLHS (Oregon Health & Science University [OHSU] 13; University of Louisville [UL] 5) were placed on a ventricular assist device (VAD) immediately following modified ultrafiltration in the operating room using the cardiopulmonary bypass (CPB) cannulas that were in the right atrium and the neoaorta. VAD flows were maintained at approximately 200 mL x kg(-1) x min(-1) and the patients were transported to the intensive care unit (ICU). Patients operated at OHSU also received neurodevelopmental testing before their Glenn procedure, approximately 4 to 6 months following their Norwood operation. RESULTS: All patients were stable on VAD support and no attempt was made to balance the systemic and pulmonary circulation. The ventilator was manipulated to achieve systemic Pa0(2) between 30 and 45 mm Hg and PaC0(2) between 35 and 45 mm Hg. Evidence of hypoperfusion (increasing lactates) was managed by increasing the VAD flow. Lactates normalized [< 2 mmol/L]) by 1.8 +/- 1.1 days following surgery. Average time of VAD support was 3.1 +/- 1.0 (range, 2 to 5 days) and average time until chest closure was 3.4 +/- 1.5 (range, 2 to 8 days). There were two cases of postoperative bleeding (11.1%) requiring reexploration and one case of mediastinitis (5.5%) in a patient who has now gone on to successful Glenn. Sixteen of the eighteen patients survived (hospital survival mean 89% with a 95% confidence interval of 63.9% to 98.1%; 12/13 OHSU [92.3%]; 4/5 UL [80%]). Neurodevelopmental testing using the Mullen Scales of Early Learning and the Vineland Adaptive Behavior Scale were normal for all infants tested. CONCLUSIONS: Routine postoperative use of VAD can support the increased cardiac output demands of infants following Norwood operation and results in a stable postoperative convalescence that does not require aggressive ventilator or inotrope manipulation. Although not a panacea, this strategy can simplify postoperative management, lead to excellent hospital survival, and possibly augment cerebral oxygen delivery, resulting in improved neurologic outcomes for this challenging group of patients.

Cardiac Surgical Procedures↗
PubMed1992

New technology in U.S. Army health care: the role of laparoscopic cholecystectomy.

In the near future, laparoscopic cholecystectomy could become one of the most frequently performed surgical procedures in U.S. military hospitals. To determine the best way to implement this new technology in the U.S. Army Health Services Command (HSC), we have assessed the safety, efficacy, and health consequences of laparoscopic cholecystectomy. Approximately 2,800 open cholecystectomies are performed annually in HSC hospitals, 11% of them on active duty personnel. If cholecystectomies were performed using laparoscopic surgical techniques on active duty patients who meet currently accepted indications, 3,360 personnel duty days lost to convalescence and 7,048 days of limited duty (time on physical profiles) would be recouped. Applying the procedure to other beneficiaries (dependents and retired service members) would result in a potential annual savings of 11,000 hospital bed days. If implemented using stringent criteria for training and certification, these savings could be achieved with no increase in patient morbidity or mortality and with significant improvement in patient outcome.

California↗
PubMed2000

Recovery from hip fracture in eight areas of function.

BACKGROUND: This report describes changes in eight areas of functioning after a hip fracture, identifies the point at which maximal levels of recovery are reached in each area, and evaluates the sequence of recuperation across multiple functional domains. METHODS. Community-residing hip fracture patients (n = 674) admitted to eight hospitals in Baltimore, Maryland, 1990-1991 were followed prospectively for 2 years from the time of hospitalization. Eight areas of function (i.e., upper and lower extremity physical and instrumental activities of daily living; gait and balance; social, cognitive, and affective function) were measured by personal interview and direct observation during hospitalization at 2, 6, 12, 18, and 24 months. Levels of recovery are described in each area, and time to reach maximal recovery was estimated using Generalized Estimating Equations and longitudinal data. RESULTS: Most areas of functioning showed progressive lessening of dependence over the first postfracture year, with different levels of recovery and time to maximum levels observed for each area. New dependency in physical and instrumental tasks for those not requiring equipment or human assistance prefracture ranged from as low as 20.3% for putting on pants to as high as 89.9% for climbing five stairs. Recuperation times were specific to area of function, ranging from approximately 4 months for depressive symptoms (3.9 months), upper extremity function (4.3 months), and cognition (4.4 months) to almost a year for lower extremity function (11.2 months). CONCLUSIONS: Functional disability following hip fracture is significant, patterns of recovery differ by area of function, and there appears to be an orderly sequence by which areas of function reach their maximal levels.

Activities of Daily Living↗
PubMed2004

[Factors of avascular necrosis of femoral head and osteoporosis in SARS patients' convalescence].

OBJECTIVE: To explore the factors affecting the pathogenesis of avascular necrosis of femoral head and osteoporosis of SARS patients during convalescent stage. METHODS: The clinical data of 40 SARS patients, 12 males and 28 females, aged 29 +/- 9, hospitalized from April to June 2003, were reviewed, targeted on the use of glucocorticoids. Three months after the discharge ELISA and indirect immunofluorescent antibody (IFA) assay were used to detect the serum IgG. Magnetic resonance imaging (MRI) was used to detect the damage of the head of femur and quantitative ultrasound (QUS) was used to detect osteoporosis at the left heel. RESULTS: The average total dosage of methylprednisolone was (4949 +/- 2959) mg, and the average course of treatment was (24 +/- 5) days (16 to 30 days). Twenty-three patients underwent ictus therapy of corticosteroids for (8 +/- 4) days. The extenuation time of corticosteroid' dosage was (33 +/- 26) mg/d. Of the 40 patients, 36 were IgG positive with an average A value of (0.91 +/- 0.24) and 4 patients were IgG negative. Twelve patients (30%) were with type I avascular necrosis of femoral head, including 3 cases with unilateral left--necrosis and 9 cases of bilateral necrosis. The other 28 patients were without necrosis. Two patients were suffering from osteoporosis and 30 patients were with bone density decrement. The average Z values of the parameter BUA and VOS were (-1.26 +/- 0. 53) and (-0.53 +/- 0.30) respectively. The corresponding T values of the parameter BUA and VOS were (-1.49 +/- 0.59) and (-0.65 +/- 0.05) respectively. The influencing factors of femoral necrosis included the degree of healing activity, the dosage summation of corticosteroids, and length of ictus therapy. The influencing factors of bone density included age, dosage summation, and length of ictus therapy. The influencing factors of the bone fabric and flexibility included the use and length of ictus therapy. Statistics showed that serum IgG was not related with avascular necrosis of femoral head and osteoporosis. CONCLUSIONS: The incidence rates of avascular necrosis of femoral head and of osteoporosis were higher in convalescent SARS patients than in general population. The influencing factors of femoral necrosis included the degree of healing activity, the dosage summation of corticosteroids, and length of ictus therapy. The influencing factors of bone density included age, dosage summation, and length of ictus therapy. The influencing factors of the bone fabric and flexibility included the use and length of ictus therapy. Statistics showed that serum IgG was not related with avascular necrosis of femoral head and osteoporosis. SARS virus may not affect the pathogenesis of avascular necrosis of femoral head and osteoporosis.

Adolescent↗