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PubMed1991

Effects of gestational weight gain in morbidly obese women: I. Maternal morbidity.

Current recommendations for appropriate weight gain in pregnancy suggest an optimum of 120% of ideal body weight (IBW) at delivery. This represents an increase of approximately 24 pounds in the normal weight woman and even the obese patient (more than 135% IBW) is told to gain 16 pounds. Information concerning gestational weight gain in the morbidly obese woman (more than 160% IBW) has not been reported. We evaluated 40 morbidly obese pregnant women for maternal morbidity relative to gestational weight gain. No correlation was found between maternal weight gain and the development of gestational diabetes, pregnancy-induced hypertension, preeclampsia, preterm labor, premature rupture of membranes, incompetent cervix, or intrauterine growth retardation. The incidence of primary cesarean delivery was statistically greater in those women gaining more than 24 pounds (p less than 0.05). It appears that current recommendations for gestational weight gain in the morbidly obese are excessive and may result in increased maternal risk.

Adult↗
PubMed2004

Surgery decreases long-term mortality, morbidity, and health care use in morbidly obese patients.

OBJECTIVE: This study tested the hypothesis that weight-reduction (bariatric) surgery reduces long-term mortality in morbidly obese patients. BACKGROUND: Obesity is a significant cause of morbidity and mortality. The impact of surgically induced, long-term weight loss on this mortality is unknown. METHODS: We used an observational 2-cohort study. The treatment cohort (n = 1035) included patients having undergone bariatric surgery at the McGill University Health Centre between 1986 and 2002. The control group (n = 5746) included age- and gender-matched severely obese patients who had not undergone weight-reduction surgery identified from the Quebec provincial health insurance database. Subjects with medical conditions (other then morbid obesity) at cohort-inception into the study were excluded. The cohorts were followed for a maximum of 5 years from inception. RESULTS: The cohorts were well matched for age, gender, and duration of follow-up. Bariatric surgery resulted in significant reduction in mean percent excess weight loss (67.1%, P < 0.001). Bariatric surgery patients had significant risk reductions for developing cardiovascular, cancer, endocrine, infectious, psychiatric, and mental disorders compared with controls, with the exception of hematologic (no difference) and digestive diseases (increased rates in the bariatric cohort). The mortality rate in the bariatric surgery cohort was 0.68% compared with 6.17% in controls (relative risk 0.11, 95% confidence interval 0.04-0.27), which translates to a reduction in the relative risk of death by 89%. CONCLUSIONS: This study shows that weight-loss surgery significantly decreases overall mortality as well as the development of new health-related conditions in morbidly obese patients.

Adult↗
PubMed1992

Pharmaco-morbidity linkage: a feasibility study comparing morbidity in two pharmacy based exposure cohorts.

STUDY OBJECTIVES: The aims were (1) to compare discharge diagnoses and concurrent medication in a pharmacy based cohort of users of H2 receptor antagonists to those in a population of users of other drugs in the same period, who did not use H2 receptor antagonists; (2) to compare these results to those of a similar study performed with the Tayside record linkage scheme. DESIGN AND SETTING: The study was a retrospective cohort study. The morbidity data from the only hospital in one medium sized city (62,000 inhabitants) were linked to the dispensing data of all five community pharmacies on an individual basis (April 1, 1986-December 31, 1989). In the absence of a unique patient identification number, data from pharmacies and hospital were linked by the combination of date of birth, gender, and general practitioner code. For every user of H2 receptor antagonists two controls were obtained from all patients who had not used these drugs, and matched for age (within 5 years), gender, and general practitioner. All discharge diagnoses which followed this first prescription up to December 31, 1989, in a patient in the index cohort, and during the same period in his or her matched controls, were included in the study. MAIN RESULTS: In the index cohort (n = 2174) 341 persons were admitted (526 admissions) as against 398 persons (527 admissions) in the control cohort (n = 4348). There was increased morbidity in the index cohort, especially concerning the gastrointestinal system (peptic ulcers and malignancies, abdominal pain, gastrointestinal haemorrhage), but also concerning the musculoskeletal, respiratory, and circulatory systems. The morbidity in the last three groups corresponded with drugs used concomitantly by patients in the index cohort, so it was probably not causally related to the intake of H2 receptor antagonists but was rather an indicator of higher levels of morbidity in the index cohort. CONCLUSIONS: The figures were grossly comparable to those of the Tayside record linkage scheme. Probabilistic linking with the patient characteristics of gender, date of birth, and general practitioner code can facilitate the undertaking of postmarketing surveillance studies.

Chronic Disease↗
PubMed2004

The chronic inflammatory hypothesis for the morbidity associated with morbid obesity: implications and effects of weight loss.

BACKGROUND: Obesity is a worldwide pandemic that causes a multitude of co-morbid conditions.However, there has been slow progress in understanding the basic pathophysiology that underlies co-morbid conditions associated with obesity. Recently, there has been intense interest in the role of inflammation in obesity. Using the inflammatory hypothesis, many of the mechanisms by which co-morbid conditions are associated with obesity are being elucidated. METHODS: We searched the literature and reviewed all relevant articles. We focused on hormones and cytokines that have been associated with other inflammatory conditions such as sepsis and systemic inflammatory response syndrome. FINDINGS: Angiotensinogen (AGT), transforming growth factor beta (TGFbeta), tumor necrosis factor alpha (TNFalpha), and interleukin six (IL-6) are all elevated in obesity and correlate with several markers of adipocyte mass. These mediators have detrimental effects on hypertension, diabetes, dyslipidemia, thromboembolic phenomena, infections, and cancer. Weight loss results in a reduction of inflammatory mediators and a diminution of the associated co-morbid conditions. CONCLUSIONS: The success of weight loss surgery in treating the complications associated with obesity is most probably related to the reduction of inflammatory mediators. While some aspects of bariatric physiology remain unclear, there appears to be a strong association between obesity and inflammation, thereby rendering obesity a chronic inflammatory state. A clearer understanding of the physiology of obesity will allow physicians who treat the obese to develop better strategies to promote weight loss and improve the well-being of millions of individuals.

Acute-Phase Proteins↗
PubMed1987

Some problems in the analysis of hospital in-patients morbidity statistics--on the usefulness of rank distribution of morbidity.

Though the application of the hospital morbidity is very limited due mainly to the biasing aspect of the data, some important uses can be made by formulating a norm of hospital disease pattern in investigating the deviation of a hospital's patients morbidity or in time-series analysis of such morbidity. A most feasible way of establishing a representative norm of inpatients morbidity from the hospital statistics is to use the modal rank distribution of disease categories according to the magnitude of its relative proportion. The level of classification recommendable for this purpose is the three-digits code disease categories listed in International Classification of Disease (the latest edition), World Health Organization. The distribution of disease in the ordered ranks demonstrated a high degree of consistency in both intra and inter hospital comparison with rank correlation reaching the level of as high as 0.99.

Health Surveys↗
PubMed2006

Impact of morbid obesity in surgical management of endometrial cancer: surgical morbidity, clinical and pathological aspects.

OBJECTIVE: To evaluate the effect of body mass index (BMI) on clinical, surgical, pathologic features, and surgical morbidity in the management of patients with endometrial cancer. MATERIALS & METHODS: All endometrial cancer patients who were surgically treated in our institution between January 1, 2003 and January 1, 2006 were eligible for the study. Forty-two out of 60 patients were included in the analysis from our cancer database. The patients were divided into three groups: BMI < 30, BMI 30-40, BMI > 40. Statistical analysis was performed by SPSS for Windows (version 11; SPSS, Inc., Chicago, IL). RESULTS: Lymphadenectomy as part of surgical staging was performed in 90.5% of all patients. Although patients with a BMI > 40 were less likely to have positive lymph vascular space invasion (LVSI) (p = 0.042), chance of deep myometrial invasion and positive lymph nodes (18%) were the same as for patients with a BMI < 30. Patients with a BMI > 40 had statistically longer operating times when compared to patients with a BMI < 40 (p = 0.039). Wound separation rate was statistically higher in the morbidly obese patients (p = 0.01). Average number of lymph nodes removed, hospital days, intraoperative and overall postoperative complication rates did not differ among the three groups (p > 0.05). CONCLUSIONS: This study confirms that comprehensive surgical staging can be performed adequately and safely in obese and morbidly obese endometrial cancer patients with no difference in length of hospital stay, intraoperative or postoperative complications. As a result adjuvant treatment of morbidly obese patients can be planned accordingly preventing under or over treatment.

Aged↗
PubMed2000

Postoperative morbidity in the morbidly obese parturient woman: supraumbilical and low transverse abdominal approaches.

OBJECTIVE: Our purpose was to determine the differences in postoperative morbidity in obese women who had a supraumbilical or a Pfannenstiel incision at cesarean delivery. STUDY DESIGN: A case-control retrospective review was conducted of all patients who were at >150% ideal body weight when undergoing cesarean delivery between 1989 and 1995 by means of either a supraumbilical or a Pfannenstiel incision. Patients were excluded if medical records were unavailable. A total of 15 women who had a supraumbilical incision and 54 who had a low transverse incision were included in the analysis. Antenatal complications were examined, as were age, weight, and training level of the surgeon. Postoperative complications were then compared. RESULTS: The groups were similar in age and antepartum complications. However, mean weight and percentage of ideal body weight in the supraumbilical group were both higher (P <.00001 and P <.0001, respectively), with the supraumbilical group 83 lb heavier on average. No significant differences were seen in any postoperative complication. CONCLUSION: Postoperative morbidity in morbidly obese women undergoing cesarean delivery does not differ between a supraumbilical approach and the low transverse abdominal incision.

Body Weight↗
PubMed1990

Effects of gestational weight gain in morbidly obese women: II: Fetal morbidity.

Recommended gestational weight gain is based on supplying adequate nutrition to the conceptus, ensuring normal growth and development. Since morbidly obese women have an overabundance of nutrients for fetal transfer, we examined the effects of weight gain on fetal outcome in women greater than 160% of ideal body weight. Gestational weight gains varied from -18 to +64 pounds, allowing analysis of fetal outcome based on maternal weight gain. No correlation between maternal weight gain and ketonuria, birthweight or length, placental weight, or Apgar scores was noted. Gestational age at delivery was inversely related to weight gain. When grouped by maternal weight gain, fetal outcome was no different if mothers gained less than or greater than 10 pounds. We conclude that limited weight gain in the morbidly obese women does not adversely affect fetal outcome, and prospective trials of limited weight gain diets in morbidly obese women are warranted.

Apgar Score↗
PubMed1999

Long-term follow-up after gastric surgery for morbid obesity: preoperative weight loss improves the long-term control of morbid obesity after vertical banded gastroplasty.

BACKGROUND: Gastric restrictive surgery in a large non-university teaching hospital has been combined with preoperative weight loss by diet. The aims of preoperative dieting were to test patient motivation, to reduce perioperative morbidity, to accustom patients to the restriction of food intake after surgery, and to increase total weight loss. This study was performed to investigate the long-term results of this approach. METHODS: 200 morbidly obese persons were operated on between 1978 and 1986 after they had lost more than 50% of their excess weight by diet. 100 Roux-en-Y gastric bypasses (RYGB) and, after 1983, 100 vertical banded gastroplasties (VBG) were performed. Data from medical records and data concerning present weight, complaints, food intolerance, nutritional deficiencies, and medical follow-up visits were obtained by questionnaire. RESULTS: The lowest body weight was obtained 1 year after operation with an average excess weight loss (EWL) of 78% after RYGB and 75% after VBG. Body weight gradually increased, and 7 years after surgery the average EWL was 67% after RYGB and 63% after VBG. Ten patients had died (three postoperatively after RYGB). Preoperative dieting did not decrease perioperative morbidity and mortality in comparison with other reports. CONCLUSIONS: After combined preoperative dieting and VBG, weight loss is greater than after surgery alone. No additional weight loss after preoperative dieting was observed in RYGB patients. Most patients who underwent bariatric surgery still experience nutritional, physical, and cosmetic problems 7 years after surgery.

Adolescent↗
PubMed1993

Morbidity registration and the fourth general practice morbidity survey in England and Wales.

The fourth morbidity survey in England and Wales is based on a population of 473,000 persons registered in 60 practices and cared for by 241 general practitioners. This presentation traces the evolution of morbidity surveys in England and Wales. That evolution has taken place against a background of advancing computer technology and the drift towards a paperless record. It is motivated by an increasing recognition of the need for data from primary health care an a realisation that a structured record is capable of servicing information needs without intermediary data sheets and coding procedures. The primary objectives of the study include assessment of disease prevalence by region, age-sex and social group; and to study trends over time. Morbidity and social data are collected in the practices and all relevant information stored on practice computers. At the end of the recording year, the computerised record for each patient is copied on to disks in an anonymized but uniquely identified form and transferred to the national Office of Population Censuses & Surveys for analysis. During the year, weekly extracts are taken of new episodes of illness in age and sex groupings which provide the basis of the Weekly Returns Service of the Royal College of General Practitioners.

Data Collection↗
PubMed1990

Alterations in adipocyte adenylate cyclase activity in morbidly obese and formerly morbidly obese humans.

Studies examining animal models of genetic obesity have identified defects in adipocyte hormone-stimulated lipolysis that involve the adenylate cyclase transmembrane signaling system, specifically those components that decrease adenylate cyclase activity. To determine whether obese people demonstrate alterations in adenylate cyclase activity that could contribute to the maintenance of obesity by inhibiting lipolysis, we examined human adipocytes from patients who were lean, obese, or formerly obese. Fat samples were obtained from the lower abdomen of 14 women who were morbidly obese (obese group), from 10 women who were formerly morbidly obese and had lost weight after gastric stapling (postobese group), and from 10 similarly aged women of normal weight (controls). Adipocyte adenylate cyclase activity was determined under ligand-free (no stimulatory or inhibitory influences present), hormone-stimulated (isoproterenol, 10(-6) mmol/L), and maximal (cells stimulated with 10 mumol/L forskolin) conditions by measuring cyclic adenosine monophosphate (cAMP) levels by radioimmunoassay. The activity of adenylate cyclase was significantly different (p less than 0.01) in the three groups. Adipocytes from obese women had lower levels of cyclase activity under both ligand-free (5% vs 16% of maximal) and hormone-stimulated conditions (76% vs 100% of maximal) than adipocytes from normal women. Postobese women had levels of hormone-stimulated cAMP identical to those of normal women but still had abnormal ligand-free levels (under 5%). These results suggest the presence of an alteration in adipocyte adenylate cyclase regulation in morbidly obese women that is not entirely corrected when weight is lost after food intake is reduced by gastric stapling. This alteration in ligand-free cAMP activity may contribute to the development and maintenance of obesity.

Adenylyl Cyclases↗
PubMed1982

Factors related to perinatal morbidity and mortality. Risk factors in pregnancy influencing perinatal morbidity and mortality.

Perinatal and infant mortality is a serious public health problem throughout the world. Its prevention has major social, medical, and economic implications. Prospective and retrospective studies of pregnancy and infancy in many populations of the world have resulted in the definition of risk factors correlated with perinatal morbidity and mortality. Early recognition of these risk factors is extremely important for the prevention of perinatal morbidity and mortality. The most important risk factors are related to the age of the pregnant mother, parity, race, previous fetal loss, medical care, poverty, illegitimate or unwanted pregnancy, education of the mother, multiple births and maternal morbidity.

Female↗
PubMed1993

The psychological morbidity of breast cancer-related arm swelling. Psychological morbidity of lymphoedema.

BACKGROUND: The psychological morbidity, functional impairment, and disturbance in psychosocial adjustment to illness was evaluated in relation to breast cancer-related arm swelling. METHODS: Fifty women with breast cancer-related arm swelling were matched with 50 control subjects for age, duration since treatment, and type of treatment received. All study participants were free from active disease and had been treated more than 1 year ago. RESULTS: Patients with arm swelling showed greater psychological morbidity at formal psychiatric interview, impaired adjustment to illness as evaluated by the Psychosocial Adjustment to Illness Scale, and greater impairment of physical functioning. CONCLUSIONS: Patients with arm swelling in relation to breast cancer experienced functional impairment, psychosocial maladjustment, and increased psychological morbidity. These findings have implications for management of breast cancer.

Activities of Daily Living↗
PubMed2000

Intravenous indomethacin for preventing mortality and morbidity in very low birth weight infants.

BACKGROUND: This section is under preparation and will be included in the next issue. OBJECTIVES: Indomethacin is used to treat symptomatic patent ductus arteriosus and may prevent or limit intraventricular haemorrhage in the neonatal period. This review examines the effectiveness of prophylactic intravenous indomethacin in reducing the mortality and morbidity associated with these conditions in infants weighing less than 1750 grams at birth. SEARCH STRATEGY: A literature search from January 1980 to October 1994 was made in three computerised data bases: Medline; Embase; and the Oxford Database of Perinatal Trials. The search was updated in February 1997. SELECTION CRITERIA: Strict selection criteria were applied to clinical trials: the population had to be newborn infants of birth weight < 1751 grams; the intervention had to be prophylactic intravenous indomethacin; the trial had to be randomised and controlled; and at least one of several prespecified outcomes had to be reported in the results. DATA COLLECTION AND ANALYSIS: The methodological quality of each study was assessed using explicit criteria. Data on relevant outcome measures were extracted on two separate occasions and, where appropriate, the results of individual trials were combined using meta-analysis techniques to provide a pooled estimate of effect. MAIN RESULTS: There is a trend towards reduced neonatal mortality in infants receiving prophylactic indomethacin, pooled relative risk (RR) = 0. 85 [95% CI 0.66 to 1.09]. The incidence of symptomatic patent ductus arteriosus is significantly reduced in treated infants, pooled RR = 0.35 [0.26 to 0.47] but there is no evidence that treatment affects respiratory outcomes. Prophylactic indomethacin significantly reduces the incidence of Grade 3 and 4 intraventricular haemorrhage in treated infants, pooled RR = 0.60 [0.43 to 0.83]. There is no evidence to suggest prophylactic indomethacin is associated with any long term adverse effect although there is a trend in treated infants towards an increased incidence of necrotizing enterocolitis, and some evidence that treatment may transiently impair renal function. There is no evidence that haemostasis is disturbed. REVIEWER'S CONCLUSIONS: Prophylactic treatment with indomethacin has a number of immediate benefits, in particular a reduction in symptomatic patent ductus arteriosus and severe intraventricular haemorrhage. There is no evidence at present of long-term harm. Further trials are needed to assess more precisely the effects, both beneficial and harmful, on short and long-term outcomes.

Cardiovascular Agents↗
PubMed1993

Physical morbidity in older people with moderate, severe and profound mental handicap, and its relation to psychiatric morbidity.

This report describes a study of physical health problems and their relation to psychiatric morbidity in a community sample of 105 people with severe mental handicap and over the age of 50 years from a Metropolitan Borough. An extensive outreach exercise ensured that almost 100% of people fulfilling the age and ability criteria were included in the study. All the physical and mental health assessments were carried out by a psychiatrist at senior registrar level. Physical assessments used a combination of physical examination and access to the subject's medical records. Results showed that, with minor exceptions, the physical health of the handicapped population was no worse than that of controls. Contrary to expectation, no relationship was demonstrated between physical and psychiatric morbidity. However, this may be due to the greater difficulty in identifying psychiatric morbidity in people who are more severely handicapped. Since physical health problems increase with level of handicap, the potential relation between physical and mental health is masked.

Aged↗
PubMed1996

Guidelines for reporting morbidity and mortality after cardiac valvular operations. The American Association for Thoracic Surgery, Ad Hoc Liaison Committee for Standardizing Definitions of Prosthetic Heart Valve Morbidity.

At the request of the Councils of The Society of Thoracic Surgeons (STS) and The American Association for Thoracic Surgery (AATS) the Ad Hoc Liaison Committee for Standardizing Definitions of Prosthetic Heart Valve Morbidity "revisited" the "Guidelines" published in September 1988 [1-3]. The purpose of the review was to update and clarify definitions within the guidelines and to consider recommendations made by others [4, 5]. The variety of cardiac valvular procedures has expanded since 1988; therefore, in this document the term "operated valve" indicates prosthetic and bioprosthetic heart valves of all types: operated or repaired native valves and allograft and autograft valves. The term "operated valve" includes any cardiac valve altered by a surgeon during an operation. Much morbidity and mortality is a direct consequence of the interaction between the patient and operated valve(s), although patient variables (e.g., age, degree of coronary arterial disease, follow-up care) may be more responsible for outcomes than an operated valve. However, no set of guidelines can identify all possible patient factors that may affect morbidity and mortality. General agreement regarding the following definitions of terms and suggestions for reporting data do not preclude more detailed analyses or constructive recommendations and investigators are encouraged to identify relevant patient factors in addition to factors related to operated valves.

Documentation↗
PubMed2005

[Lung cancer morbidity rate among the Georgian population according to sex and age and expected morbidity prognosis].

Real index of lung cancer morbidity rate among the Georgian population according to sex and age has been studied and expected morbidity prognosis has been made. Sex and age breakdown of the morbidity with lung cancer during 1980-2001 indicates to the predominant prevalence of this disease in males and elderly. The study of age peculiarities separately in males and females has revealed a number of specific features. Frequency of lung cancer in young ages (below 40) prevails in females, while none of the cases have been revealed in females below 20. In patients aged from 40 to 50 lung cancer cases are equally distributed. In the 50-70 years age group the disease is more frequent in males, while above 70--in females. These data are especially interesting from the epidemiological point of view. It indicates that in Georgia the time necessary for the development of lung cancer in females is 10-20 years more than for males, i.e. additional factors should influence the cancer development in males which shortens the latent period necessary for development of lung cancer by 10-20 years compared to females.

Adult↗
PubMed1996

The development and validation of a measure of parent-reported child health and morbidity: the Warwick Child Health and Morbidity Profile.

OBJECTIVE: to validate a simple instrument for the measurement of parent-reported health and morbidity in infancy and childhood suitable for research and service planning purposes and capable of measuring both cross-sectional and longitudinal health and morbidity experience in a child population. SETTING: child health clinic (CHC), child development unit (CDU) and paediatric outpatient department (OPD) in Coventry. DESIGN: 3-phase field testing to establish test-retest reliability, validity and inter-observer variation of the instrument. Field testing samples: phases 1 and 2; 188 parents of pre-school children attending one of the three health service settings-CHC, CDU or paediatric OPD; phase 3; 40 parents of pre-school children attending CHCs. METHODS: test-retest reliability of each domain of the WCHMP was estimated using weighted Kappa; criterion validity was estimated for selected domains against health records; construct validity against medically plausible constructs was tested by comparing responses between domains; Inter-observer variation was estimated using weighted Kappa. RESULTS: the test-retest reliability of the WCHMP varied from 'moderate' for behaviour, functional health and life quality status to 'very good' for acute significant illness and hospital admission status; criterion and construct validity were high; weighted Kappas for all domains for inter-observer variation between the researcher and family health visitor were in the 'good' to 'very good' range and inter-observer variation remained unaffected by change in the order of administration of the WCHMP. CONCLUSIONS: the WCHMP is a simple measure of parent-reported health and illness which, on field-testing, has been shown to be reliable and valid with low inter-observer variation. After further development and validation including incorporation into the parent-held record, it should be suitable for use in infancy and early childhood to collect cross-sectional and longitudinal health and morbidity data for research and service planning purposes.

Chi-Square Distribution↗