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PubMed2004

Negative symptoms, trauma, and autobiographical memory: an investigation of individuals recovering from psychosis.

Psychological research on negative symptoms in schizophrenia is scarce. The aim of this study was to explore the relationship between negative symptoms and trauma in individuals recovering from a psychotic illness. Specifically, the aim was to examine the association between negative symptoms and traumatic reactions to psychosis and to hospitalization. We were also interested in the association between traumatic reactions and autobiographical memory. The design was a cross-sectional investigation of 38 people recovering from functional psychotic illness. Hypotheses were examined using correlations between measures of negative symptoms, posttraumatic avoidance, and specificity of autobiographical retrieval. Negative symptoms were found to be significantly associated with avoidance of traumatic memories related to psychosis and hospitalization and with a lack of specificity in autobiographical recall. Further analysis showed that avoidance related to psychosis and low specificity in recall were significant predictors of negative symptoms. These data suggest that people who avoid traumatic memories of psychosis and hospitalization have more negative symptoms and retrieve fewer specific autobiographical memories. The possibility that negative symptoms may be reactive is explored, along with the implications for our theoretical and clinical understanding. The methodological limitations of the study and ideas for future research are discussed.

Adult↗
PubMed2003

Comparative analysis of laparoscopic versus open partial nephrectomy for renal tumors in 200 patients.

PURPOSE: Laparoscopic partial nephrectomy is an emerging minimally invasive, nephron sparing approach for renal cell carcinoma. We compared perioperative outcomes after laparoscopic and open nephron sparing surgery (NSS) for patients with a solitary renal tumor of 7 cm or less at a single institution. MATERIALS AND METHODS: Since September 1999, 100 consecutive patients have undergone laparoscopic partial nephrectomy for a sporadic single renal tumor of 7 cm or less at our institution. A contemporary cohort of 100 consecutive patients with similar inclusion criteria have undergone open NSS since April 1998. Since our laparoscopic technique was based on our established open surgical principles, the 2 approaches were similar, including transient renal vascular control, sharp tumor excision in a bloodless field, pelvicaliceal repair when necessary, suture ligation of transected intrarenal blood vessels and suture repair of the renal parenchymal defect over a bolster. Demographic, intraoperative, postoperative and short-term followup data were retrospectively compared between the 2 groups. RESULTS: Median tumor size was 2.8 cm in the laparoscopic group and 3.3 cm in the open group (p = 0.005). There were significantly more tumors greater than 4 cm in the open group (p <0.001). There were more patients with a solitary kidney in the open surgical group (p = 0.002). More patients in the open group underwent NSS for a malignant tumor (p = 002). Comparing the laparoscopic versus open groups, median surgical time was 3 vs 3.9 hours (p <0.001), blood loss was 125 vs 250 ml (p <0.001) and mean warm ischemia time was 27.8 vs 17.5 minutes (p <0.001), respectively. In the laparoscopic and open groups median analgesic requirement was 20.2 vs 252.5 mg morphine sulfate equivalents (p <0.001), hospital stay was 2 vs 5 days (p <0.001) and average convalescence was 4 vs 6 weeks (p <0.001). Median preoperative serum creatinine (1.0 vs 1.0 mg/dl, p = 0.52) and postoperative serum creatinine (1.1 vs 1.2 mg/dl, p = 0.65) were similar in the 2 groups. No kidney was lost due to warm ischemic injury. Three patients in the laparoscopic group had a positive surgical margin compared to none in the open groups (3% vs 0%, p = 0.1). Laparoscopic NSS was associated with a higher rate of major intraoperative complications (5% vs 0%, p = 0.02). There were no significant differences in overall postoperative complications, although renal/urological complications were more common in the laparoscopic group (11% vs 2%, p = 0.01). CONCLUSIONS: Open surgical partial nephrectomy remains the established standard for nephron sparing treatment of renal tumors. When applied to small renal tumors, the laparoscopic approach is associated with longer warm renal ischemia time, more major intraoperative complications and more postoperative urological complications. Our data also suggest that more deliberate efforts to achieve a wider surgical margin are necessary with the laparoscopic approach. Nevertheless, our data suggest that laparoscopic NSS is emerging as an effective, minimally invasive therapeutic approach with respect to renal functional outcome with the additional advantages of decreased postoperative narcotic use, earlier hospital discharge and a more rapid convalescence. Continued efforts are required to develop laparoscopic renal hypothermia techniques and facilitate intrarenal suturing, while minimizing warm ischemia time.

Aged↗
PubMed1979

Platelet function studies in coronary artery disease. V. Evidence for enhanced platelet microthrombus formation activity in acute myocardial infarction.

Circulating platelet microthrombi were evaluated during the acute and convalescent phases of illness in 44 patients admitted to the hospital for chest pain. Similar studies were performed in 10 healthy volunteers and 6 patients with infection. Circulating platelet microthrombi were significantly increased during the acute phase in 22 patients with transmural myocardial infarction compared with values in the other 22 patients without myocardial infarction, the healthy volunteers and the patients with infection alone. This increase in circulating platelet microthrombi declined to normal levels by the 7th hospital day in all but two patients who had evidence of extension of myocardial infarction and died. In contrast, circulating platelet microthrombi were similar in acute and convalescent phases of patients with chest pain but without myocardial infarction and were comparable with values in healthy volunteers. This study suggests that increased circulating platelet microthrombi may be related to tissue necrosis associated with transmural myocardial infarction.

Acute Disease↗
PubMed2006

Laparoscopic versus open cholecystectomy for patients with symptomatic cholecystolithiasis.

BACKGROUND: Cholecystectomy is one of the most frequently performed operations. Open cholecystectomy has been the gold standard for over 100 years. Laparoscopic cholecystectomy was introduced in the 1980s. OBJECTIVES: To compare the beneficial and harmful effects of laparoscopic versus open cholecystectomy for patients with symptomatic cholecystolithiasis. SEARCH STRATEGY: We searched TheCochrane Hepato-Biliary Group Controlled Trials Register (April 2004), The Cochrane Library (Issue 1, 2004), MEDLINE (1966 to January 2004), EMBASE (1980 to January 2004), Web of Science (1988 to January 2004), and CINAHL (1982 to January 2004) for randomised trials. SELECTION CRITERIA: All published and unpublished randomised trials in patients with symptomatic cholecystolithiasis comparing any kind of laparoscopic cholecystectomy versus any kind of open cholecystectomy. No language limitations were applied. DATA COLLECTION AND ANALYSIS: Two authors independently performed selection of trials and data extraction. The methodological quality of the generation of the allocation sequence, allocation concealment, blinding, and follow-up was evaluated to assess bias risk. Analyses were based on the intention-to-treat principle. Authors were requested additional information in case of missing data. Sensitivity and subgroup analyses were performed when appropriate. MAIN RESULTS: Thirty-eight trials randomised 2338 patients. Most of the trials had high bias risk. There was no significant difference regarding mortality (risk difference 0,00, 95% confidence interval (CI) -0.01 to 0.01). Meta-analysis of all trials suggests less overall complications in the laparoscopic group, but the high-quality trials show no significant difference ('allocation concealment' high-quality trials risk difference, random effects -0.01, 95% CI -0.05 to 0.02). Laparoscopic cholecystectomy patients have a shorter hospital stay (weighted mean difference (WMD), random effects -3 days, 95% CI -3.9 to -2.3) and convalescence (WMD, random effects -22.5 days, 95% CI -36.9 to -8.1) compared to open cholecystectomy. AUTHORS' CONCLUSIONS: No significant differences were observed in mortality, complications and operative time between laparoscopic and open cholecystectomy. Laparoscopic cholecystectomy is associated with a significantly shorter hospital stay and a quicker convalescence compared with the classical open cholecystectomy. These results confirm the existing preference for the laparoscopic cholecystectomy over open cholecystectomy.

Cholecystectomy↗
PubMed1999

One-year cohort of abdominal, vaginal, and laparoscopic hysterectomies: complications and subjective outcomes.

BACKGROUND: In the past decade, changes in operative approaches to hysterectomy have resulted in needs to renew study of postoperative morbidity. STUDY DESIGN: This prospective observational study, performed in a university teaching hospital in Finland, was conducted to determine the overall number of complications and subjective outcomes after hysterectomy for benign conditions. The population studied during a 1-year period consisted of 687 women, who underwent 516 abdominal hysterectomies, 105 vaginal hysterectomies, and 66 laparoscopic hysterectomies. Complications arising within 1 year of operations were recorded, and subjective complaints and outcomes were assessed using two questionnaire-based evaluations, the first following a convalescence period of 4 to 6 weeks, the second after 1 year. RESULTS: Intraoperative complications occurred in 16 patients (2.3%), in 9 patients in the abdominal hysterectomy group (1.7%), and in 4 (3.9%) and 3 patients (4.5%) in the vaginal and laparoscopic hysterectomy groups, respectively. During the hospital stay postoperative complications were found in 28.5% of patients, in the vaginal hysterectomy group (41.9%) more often than in the abdominal and laparoscopic hysterectomy groups (28.3% and 9.1%, respectively). Postoperative infection, including urinary infection, was the main problem, during both the stay in the hospital and the convalescence period at home. It was also the principal reason for readmission to the hospital. Despite an increase in incidence of subjective complaints, from 14.9% during the first evaluation to 37.0% during the second (p < 0.001), 95% of respondents remained satisfied with their operation after 1 year. CONCLUSIONS: Vaginal hysterectomy was more often associated with some adverse event, mainly postoperative infection, than abdominal and laparoscopic hysterectomy. Subjective outcomes were not influenced by the type of hysterectomy. Most patients were satisfied with the operation on both short- and longterm followup.

Adult↗
PubMed2006

Persistently low plasma thioredoxin is associated with meningococcal septic shock in children.

OBJECTIVE: To compare plasma levels of thioredoxin (Trx), TNF-alpha and IL-1 beta in children during the acute phase of meningococcal septic shock (MSS) and in convalescence. DESIGN AND SETTING: Retrospective, observational study in the paediatric intensive care unit of a postgraduate teaching hospital. PATIENTS: Thirty-five children requiring intensive care for meningococcal sepsis; paired convalescent samples from 30 survivors (median interval between samples 62 days); 25 healthy control children. MEASUREMENTS AND RESULTS: Plasma Trx levels were significantly lower in the children with MSS, both during the acute illness (5.5 ng/ml, IQR 1.4-11.4) and in convalescence (2.5 ng/ml, IQR 0.4-6.9) than controls (18.8 ng/ml, IQR 7.9-25.0). Levels of IL-1 beta and TNF-alpha were higher in patients with acute MSS (30.3 pg/ml, IQR 3.6-63.6, and 145.9 pg/ml, IQR 31.8-278.1 respectively) than controls (3.7 pg/ml, IQR 0-36.9, and 23.8 pg/ml, IQR 0-124.3, respectively). Levels fell in convalescence (3.7 pg/ml, IQR 0-25.5, 3.7 pg/ml, IQR 0-304.8, respectively). Plasma Trx was higher in non-survivors, albeit a small group (n=5), than in survivors (n=30). Trx, IL-1 beta, and TNF-alpha levels were not correlated with predicted mortality as assessed by the paediatric risk of mortality (PRISM) score. CONCLUSIONS: Children with MSS exhibit persistently low plasma levels of Trx during acute illness and in convalescence.

Case-Control Studies↗
PubMedDate not supplied

Home care after hip fracture in a health planning region.

Health-care restructuring has increased the focus on integrating health care. Therefore the study purpose was to quantify patient movement from hospital to home care before restructuring occurred in a health planning district. Hospital discharge abstracts and home care records identified patients with a hip fracture who used home care (n = 353). Patients from acute care were more likely than rehabilitation or convalescent inpatients to wait > 3 days for home care after hospital discharge (RR 1.54, 95% CI 1.18, 2.00). Institution-dwellers were more likely than community-dwellers to wait > 3 days for home care (RR 2.35, 95% CI 1.86, 2.97). Home care rehabilitation clients were more likely than non-rehabilitation users to wait > 3 days for home care (RR 2.10, 95% CI 1.42, 3.09). Waiting time for home care is associated with hospital care setting and the home care service utilized. Evaluations of restructuring efforts should consider accounting for these relationships.

Activities of Daily Living↗
PubMed2005

Laparoscopic versus open appendectomy in West Bengal, India.

OBJECTIVE: Laparoscopic appendectomy, although widely practiced, has not gained universal approval. Laparoscopic appendectomy in India is relatively new, and reports regarding its use are few. The aim of this study was to compare laparoscopic with open appendectomy and ascertain its therapeutic benefit, if any, in the overall management of acute appendicitis. METHODS: The study group consisted of 279 patients suffering from acute appendicitis. One hundred patients underwent laparoscopic appendectomy (LA) and 179 patients underwent open appendectomy (OA). Comparisons were based on median values for length of hospital stay, operating time, postoperative morbidity, duration of convalescence and operative cost. Mann-Whitney statistics (T) were calculated and, because of the large sample size, the normal deviate test (Z) was used. RESULTS: Of the 100 patients who were to receive LA, six patients (6%) had the procedure converted to open surgery. The rate of overall complications (LA 15%vs OA 31.8%; P < 0.001) was significantly lower in patients undergoing LA. The median length of stay was significantly shorter after LA (3 days after LA vs 5 days after OA; P < 0.0001) than after OA. The operating time was shorter (median values: OA 25 min vs LA 28 min; 0.01 < P < 0.05) in patients undergoing OA compared with LA. CONCLUSION: For LA, hospital stay was significantly shorter, and the one-time operative cost appeared to be marginally the same as open surgery. Furthermore, LA was associated with increased clinical comfort in terms of fewer wound infections, faster recovery, earlier return to work and improved cosmesis.

Adolescent↗
PubMed1993

Enhancing appropriateness of acute bed use: role of the patient hotel.

OBJECTIVE: This study aimed to assess the appropriateness of bed use by determining patients' suitability for patient hotel accommodation and day treatment and by examining timeliness of discharge, and to assess patient and staff views about patient hotels. DESIGN: Patients were assessed by a doctor and nurse in terms of an agreed case definition for patient hotel use. Patient suitability was validated and patient acceptability measured by semi-structured interviews with a random sample of patients judged suitable for hotel accommodation. All senior medical and nursing staff completed a further questionnaire. SETTING: The study took place at University Hospital of Wales, Cardiff (856 beds), and all specialties, except intensive care wards, participated. SUBJECTS: Patients occupying a total of 3972 bed days, accumulated over seven randomly chosen census days, were studied. RESULTS: Data were available for 88% of eligible inpatients. Ten per cent (405 of 3972) of patients were judged suitable for a patient hotel. Specialties indicating major use were obstetrics and gynaecology, general surgery, and general and geriatric medicine. Sixty three per cent (254 of 405) of these subjects required low level investigation or treatment. Preoperative and postoperative and antenatal patients were often suitable also. Three per cent (119 of 3972, 95% confidence interval 2.5, 3.6%) of inpatients were judged suitable for day treatment/investigation. Seventy nine per cent (291 of 369) of patients suitable for discharge were discharged on the same or the next day. The patient hotel idea was acceptable to 58 of 68 (85%) randomly selected patients and to 84 of 93 (90%) staff. CONCLUSIONS: With allowance for non-response, our study indicates that a general hospital of this size generates the need (inpatients, relatives, and ward attenders) for a mean of 72 patient hotel beds. There is also residual scope for increasing day treatment/investigation and for releasing beds by speeding discharge. The patient hotel idea is highly acceptable to both patients and staff and should be widely considered as a means of making patient care more efficient.

Adolescent↗
PubMed1998

Laparoscopic colorectal resection for diverticulitis.

This study evaluated outcome in patients undergoing laparoscopically assisted sigmoid resection for diverticular disease. A total of 29 consecutive patients were treated surgically for colonic diverticulitis; in 27 of these laparoscopy was performed. The review of medical records from a control group of 34 patients undergoing open resection were used for comparison. The conversion rate was 7.5%. Using the laparoscopic technique the duration of surgery was longer (165 vs. 121 min, P < 0.05), blood loss less (182 vs. 352 ml, P < 0.05), and subsequent blood transfusion less (0 vs. 61%). The incidence of complications following laparoscopic resection was lower (two anastomotic leakages, two wound infections) than in the conventional group. Convalescence in the laparoscopic group was more rapid and hospital stay shorter (7.9 vs. 14.3 days, P < 0.05). In the laparoscopic group patients expressed less pain at rest and in motion. The cost of the laparoscopically assisted procedure was less than that of conventional resection (7185 vs. 8975 DM). In this series laparoscopically assisted sigmoid resection for diverticulitis proved safe. Recovery was faster, hospital stay was shorter, and patients expressed less pain than in conventional open surgery.

Adult↗
PubMed2004

[Comparison of activities of daily living for a convalescent rehabilitation ward and general ward for stroke patients].

We investigated changes in the Activities of Daily Living (ADL) of stroke patients in a convalescent rehabilitation ward and a general ward using a Functional Independent Measure (FIM). The subjects were 109 patients hospitalized for rehabilitation purposes at the Oyamada Memorial Spa Hospital. The change in FIM at the time of hospitalization and that at 1 week later was investigated in 81 patients in the convalescent rehabilitation group (CRG) and 28 patients in the control group (CG). In addition, the CRG was investigated again after one month. Intensive rehabilitation service based on ADL and worksheets was introduced in the CRG. On the other hand, these were not introduced in the CG. The total score of FIM increased significantly (p<0.01) in the first week after hospitalization in both groups. The FIM-gain after one week in the CRG was high. With regard to each item, a significant improvement was observed in patients' motor skills while eating, grooming, bathing, dressing the upper body, dressing the lower body, toilet, bladder management, transfer bed/chair, toilet and tub, and walking/wheelchair (11/13). Multiple regressions were used to assess the relationships between FIM-gain (one week, one month), age, rehabilitation intensity and other predictive variables. Better rehabilitation outcomes were observed in patients with lower level of dementia and high rehabilitation intensity. It was thought that planned rehabilitation based on ADL was effective in the CRG, and it was suggested that the CRG's system is effective in the rehabilitation of stroke patients.

Activities of Daily Living↗
PubMedDate not supplied

Legionnaires' disease in the renal transplant unit of "Hospital das Clinicas, FMUSP". During a five year period (1988-1993).

Several reports have related Legionella pneumophila with pneumonia in renal transplant patients, however this association has not been systematically documented in Brazil. Therefore this paper reports the incidence, by serological assays, of Legionella pneumophila serogroup 1 in these patients during a five year period. For this purpose sera from blood samples of 70 hospitalized patients with pneumonia from the Renal Transplant Unit of Hospital das Clinicas, FMUSP collected at the acute and convalescent phase of infection were submitted to indirect immunofluorescence assay (IFA) to demonstrate anti-Legionella pneumophila serogroup 1 antibodies. Of these 70 patients studied during the period of 1988 to 1993, 18 (25.71%) had significant rises in specific antibody titers for Legionella pneumophila serogroup 1. Incidence was interrupted following Hospital water decontamination procedures, with recurrence of infections after treatment interruption. In this study, the high susceptibility (25.71%) of immunodepressed renal transplant patients to Legionella pneumophila serogroup 1 nosocomial infections is documented. The importance of the implementation and maintenance of water decontamination measures for prophylaxis of the infection is also clearly evident.

Brazil↗
PubMed2003

Laparoscopic versus open nephrectomy in 210 consecutive patients: outcomes, cost, and changes in practice patterns.

BACKGROUND: Initially slow to gain widespread acceptance within the urological community, laparoscopic nephrectomy is now becoming the standard of care in many centers. Our institution has seen a dramatic transformation in practice patterns and patient outcomes in the 2 years following the introduction of laparoscopic nephrectomy. We compare the experience with laparoscopic and open nephrectomy within a single medical center. METHODS: Data were collected for all patients undergoing elective nephrectomy (live donor, radical, simple, partial, and nephroureterectomy) between August 1998 and September 2002. Data were analyzed by Wilcoxon rank sum, chi-square, and Fisher's exact test. A p-value <0.05 was considered significant. RESULTS: Of the patients, 92 underwent open nephrectomy, and 118 were treated laparoscopically (87 hand-assisted laparoscopic nephrectomy, 31 totally laparoscopic). There was one conversion (0.8%). Patient demographics and indications for surgery were equivalent for both groups. Mean operative time for laparoscopic nephrectomy (230 min) was longer than for open (187 min, p = 0.0001). Blood loss (97 ml vs 216 ml, p = 0.0001), length of stay (3.9 days vs 5.9 days, p = 0.0001), perioperative morbidity (14% vs 31%, p = 0.01), and wound complications (6.8% vs 27.1%, p = 0.0001) were all significantly less for laparoscopic nephrectomy. For live donors, time to convalescence was less (12 days vs 33 days, p = 0.02), but hospital charges were more for patients treated laparoscopically (19,007 dollars vs 13,581 dollars, p = 0.0001). CONCLUSIONS: Laparoscopic nephrectomy results in less blood loss, fewer hospital days, fewer complications, and more rapid recovery than open surgery. We believe that these benefits outweigh the higher hospital charges associated with the laparoscopic approach.

Adolescent↗
PubMed2006

Persistent oxidative stress after myocardial infarction treated by percutaneous coronary intervention.

Acute myocardial infarction causing cardiac ischemia is responsible for the majority of cardiac related deaths. Medical interventions that ensure rapid reperfusion, such as percutaneous coronary intervention, are aimed to allow myocardial re-oxygenation. However, this generates reactive oxygen species, resembling ischemia-reperfusion type of injury based on oxidative stress. In the present study we monitored dynamic changes of total serum peroxides, total antioxidant capacity and soluble intercellular adhesion molecule-1 as well as the titer of antibodies against oxidized low-density lipoproteins in the blood during the convalescence period of 32 patients with acute myocardial infarction treated by percutaneous coronary intervention. Samples were taken at admittance and at two hours, four hours, three days and seven days following percutaneous coronary intervention. Total antioxidant capacity dropped to 82% (p < 0.05). The titer of antibodies against oxidized low-density lipoproteins transiently decreased within the first three days, and increased afterwards. The values of serum peroxides and soluble intercellular adhesion molecule-1 increased continuously in respect to the initial levels reaching the maximum at the time of release from hospital. These findings indicate a persistent oxidative stress that might be associated with intravascular inflammation in patients during convalescence and release from hospital.

Aged↗
PubMed1993

Laparoscopic and open cholecystectomy. A prospective, randomized study.

OBJECTIVE: To compare laparoscopic with open cholecystectomy. DESIGN: Prospective random control trial. SETTING: Central Hospital of Akershus, Nordbyhagen, Norway. SUBJECTS: 74 consecutive patients due to undergo elective cholecystecomy between October 1990 and June 1991. INTERVENTIONS: Two patients were excluded from randomisation, and two were withdrawn after randomisation. The remaining 70 were randomly allocated to open or laparoscopic cholecystectomy (n = 35 in each group). MAIN OUTCOME MEASURES: Duration of operation and postoperative stay in hospital, amount of postoperative pain, incidence of complications, and duration of convalescence and sick leave. RESULTS: Laparoscopic cholecystectomy took twice as long as open (median [range] 100 [52-180] minutes compared with 50 [15-115], p < 0.01), but patients stayed in hospital half the time (2 [1-9] days compared with 4 [2-22], p < 0.01); required less opiate analgesia (4 [0-20] doses compared with 6 [0-13], p = 0.02; took less sick leave (11 [4-267] days (n = 18) compared with 34 [20-48] (n = 22), p < 0.01); and spent less time in convalescence (8 [3-40] days (n = 17) compared with 49 [10-247] (n = 12), p < 0.01). There were six complications in the laparoscopy group and seven in the open cholecystectomy group. CONCLUSION: Because of the significant differences between laparoscopic and open cholecystectomy we have now adopted the laparoscopic method as our standard, but we think that we can improve our results further by refining our operative techniques and giving our patients more information.

Adult↗