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PubMed2005

[Caesarean section: closure or non-closure of peritoneum? A randomized trial of postoperative morbidity].

OBJECTIVE: To evaluate postoperative morbidity with non-closure of the visceral and parietal peritoneum during caesarean section. PATIENTS AND METHODS: A prospective randomized study of 170 patients. Operative time, postoperative pain, postoperative morbidity (febrile morbidity, wound haematoma, wound infection, postoperative ileus) and length of hospital stay were compared between the two groups. RESULTS: Duration of operation was significantly shorter without peritoneal closure (38.89 vs 42.00 minutes; P<0.05). Wound haematoma were more frequent when peritoneum was closed (P<0.029). There were no significant difference between the two groups for postoperative ileus, length of hospital stay, postoperative pain and other complications. DISCUSSION AND CONCLUSION: We report the first French study on this subject. In this study, non-closure of both visceral and parietal peritoneum is associated with shorter operation duration and seems to reduce immediate complications. A long-term evaluation of morbidity, regarding adhesions is necessary.

Adult↗
PubMed2005

Evaluating the comparability of different grouping schemes for mortality and morbidity.

Comparison of mortality and morbidity is a commonly used method in health related studies. The International Classification of Disease (ICD) consists of thousands of codes for classifying cause of death and disease categories. A grouping scheme is needed to cluster related categories into a meaningful and manageable number for comparative purposes. Different kinds of grouping schemes have been used; nevertheless, little is known about the comparability among different grouping schemes. In this study, we compared seven grouping schemes; five for mortality and two for morbidity. We found poor comparability between different grouping schemes. Different schemes covered different ranges of codes. Some schemes used the same title, but included different ranges of codes. Features of newly developed grouping schemes were to group disease categories of similar characteristics across traditional ICD chapters and to group disease categories based on health care needs, instead of those based merely on etiology or organ system. Different grouping schemes were developed to reveal the unique mortality and morbidity pattern of different geographical areas. Different grouping logic was used by different grouping schemes. Therefore, it is difficult to make a good comparison between different schemes. An investigator tabulating the mortality or morbidity figures based on a given grouping scheme should explicitly define the exact ICD codes included. Any user of data derived from different grouping schemes, especially for comparisons between countries, should be cautious about the comparability problems.

Humans↗
PubMed2006

Effect of obesity on early morbidity and mortality following cardiac surgery.

BACKGROUND: The prevalence of obesity in most developed nations, including Australia, continues to rise and represent an increasing public health concern. Obesity has been considered a major risk factor in patients undergoing cardiac and other major surgery. METHODS: We retrospectively analysed prospectively collected data of consecutive patients undergoing cardiac surgery between June 2001 and February 2006 at two Australian public hospitals. Patients were divided into three groups by body mass index (BMI): non-obese (BMI 20-30), obese (BMI>30-40) and morbidly obese (BMI>40). Associations between early mortality and morbidity and obesity were assessed by univariate and multivariate methods. RESULTS: Out of 4053 patients, 85 were excluded for BMI<20. A total of 2743 patients were defined as non-obese, 1136 obese and 89 morbidly obese. There were no significant differences in operative mortality, stroke, pneumonia, new renal failure, atrial fibrillation, prolonged ventilation, reintubation, readmission to intensive care, prolonged length of hospital stay or readmission within 30 days. The morbidly obese group had increased rates of deep sternal infection by univariate (odds ratio [OR] 6.4, 95% confidence interval [CI] 2.1-19.1, p<0.001) and multivariate (OR 13.1, CI 3.4-50.7, p<0.001) analysis. The obese group had a lower rate of re-operation for bleeding by univariate (OR 0.61, CI 0.41-0.91, p=0.01) and multivariate (OR 0.64, CI 0.42-0.99, p=0.04) analysis. CONCLUSION: Apart from an increased rate of deep sternal wound infection, obesity is not associated with early mortality or other post-operative complications. The protective effect of obesity on re-operation for bleeding requires further study.

Aged↗
PubMed2004

Histologic correlates of viral and bacterial infection of the placenta associated with severe morbidity and mortality in the newborn.

The purpose of this study was to correlate the histologic features of the placenta with the in situ detection of viral or bacterial nucleic acids in cases of severe morbidity and mortality in the neonatal period. The criteria for the cases were either fetal or neonatal death (11 cases with autopsy material available in 8 cases) or idiopathic severe respiratory distress or central nervous system-related symptoms at birth (49 cases). Controls included 11 placentas from births with no morbidity and 6 placentas that were associated with severe neonatal morbidity of known etiology (trisomy, ruptured uterus, prolapsed cord). The 77 placental tissues were analyzed with a consensus bacterial probe and for a wide variety of viral infections. An infectious cause was found in 46/60 (76%) of cases; these were distributed as follows: enterovirus, 23 cases (22 were coxsackie virus); bacterial (consensus probe), 15 cases; cytomegalovirus (CMV), 4 cases; herpes simplex virus (HSV), 2 cases; parvovirus, 2 cases. The infectious agents localized primarily to Hofbauer cells and trophoblasts. In each of the 8 cases for which autopsy material was available, the same infectious agent that was detected in the placenta was also detected in the autopsy material (spleen, heart, central nervous system, or lungs). No infectious agent was detected in any of the 17 controls. Viral inclusions (only evident for DNA viruses) and stem vessel vasculitis were the 2 histologic findings that were associated with infectious disease in the placenta (P = 0.025). These data show that infection of the villi is highly associated with neonatal morbidity and mortality and that the histologic findings are, in most cases, nonspecific for infection.

Animals↗
PubMed2005

Impact of left ventricular hypertrophy late after aortic valve replacement for aortic stenosis on cardiovascular morbidity and mortality.

AIMS: The goal of this study was to assess the prevalence of left ventricular (LV) hypertrophy in patients with aortic stenosis late (>6 months) after aortic valve replacement and its impact on cardiac-related morbidity and mortality. METHODS AND RESULTS: In a single tertiary centre, echocardiographic data of LV muscle mass were collected. Detailed information of medical history and angiographic data were gathered. Ninety-nine of 213 patients (46%) had LV hypertrophy late (mean 5.8 +/- 5.4 years) after aortic valve replacement. LV hypertrophy was associated with impaired exercise capacity, higher New York Heart Association dyspnoea class, a tendency for more frequent chest pain expressed as higher Canadian Cardiovascular Society class, and more rehospitalizations. 24% of patients with normal LV mass vs. 39% of patients with LV hypertrophy reported cardiac-related morbidity (p = 0.04). In a multivariate logistic regression model, LV hypertrophy was an independent predictor of cardiac-related morbidity (odds ratio 2.31, 95% CI 1.08 to 5.41), after correction for gender, baseline ejection fraction, and coronary artery disease and its risk factors. Thirty seven deaths occurred during a total of 1959 patient years of follow-up (mean follow-up 9.6 years). Age at aortic valve replacement (hazard ratio 1.85, 95% CI 1.39 to 2.47, for every 5 years increase in age), coexisting coronary artery disease at the time of surgery (hazard ratio 3.36, 95% CI 1.31 to 8.62), and smoking (hazard ratio 4.82, 95% CI 1.72 to 13.45) were independent predictors of overall mortality late after surgery, but not LV hypertrophy. CONCLUSIONS: In patients with aortic valve replacement for isolated aortic stenosis, LV hypertrophy late after surgery is associated with increased morbidity.

Adult↗
PubMed2005

The effect of massive weight loss on pulmonary function of morbid obese patients.

STUDY OBJECTIVES: To test if morbid obesity causes pulmonary function changes and if massive weight loss have effect on pulmonary function (especially in subjects with BMI>or=60 kg/m(2)). PARTICIPANTS: Thirty-nine morbid obese subjects before and after massive weight loss. MEASUREMENTS AND RESULTS: Patients had baseline BMI>or=40 kg/m(2), pulmonary function test (PFT) before and after surgery for gastric volume reduction and massive weight loss, and presented no complaints unrelated to obesity. Based on initial BMI, the patients were divided in groups A (BMI 40-59.9 kg/m(2)) and B (BMI>or=60 kg/m(2)). Initially, group A (n=28) had normal PFT, however group B (n=11) presented FVC and FEV(1) measurements in the lowest limit of normality (with normal FEV(1)/FVC), significantly different from group A. After massive weight loss, the group B compared to A had a significant improvement in FVC (23.7% vs. 9.7%, P=0.012) and FEV(1) (25.6% vs. 9.1%, P=0.006); thus the initial difference in FVC and FEV(1) between groups no longer existed after weight loss. CONCLUSIONS: These results point out that the severe morbid obesity (BMI>or=60 kg/m(2)) may lead to pulmonary function impairment and presents more prominent pulmonary function gain after massive weight reduction. The possible clinical implications of these results are that PFT abnormalities in subjects with BMI<60 kg/m(2) should probably be interpreted as consequence of intrinsic respiratory disease and that severe morbid obese patients may be encouraged to lose weight to improve their pulmonary function, especially those with concomitant pulmonary disorders.

Adult↗
PubMed2005

Challenges that nurses face in caring for morbidly obese patients in the acute care setting.

BACKGROUND: Despite increasing numbers of morbidly obese patients admitted to acute care facilities for surgery or treatment of nonsurgical conditions, there is little evidence of the problems nurses face in providing care to these patients. Anecdotal evidence suggests that the care of these patients is more demanding than the care of nonobese patients. The objective of this study was to describe nurses' perceptions of the challenges that they face when caring for morbidly obese patients. METHODS: Focus groups of nurses from a tertiary care facility were convened. A trained facilitator posed questions to the group concerning various aspects of care for morbidly obese patients. Comments of respondents were categorized using NVIVO software. RESULTS: Nurses reported concerns about the increased staffing needs required for care of these patients and the particular challenges of the physical care. Concerns also included the availability, placement, and use of specialized equipment. Room size and the absence of some equipment were also problematic. Finally, nurses perceived safety issues, both for themselves and their patients. CONCLUSIONS: Morbidly obese patients in the acute care setting require specialized nursing care in terms of techniques, levels of staffing required, and the use of specialized equipment.

Adult↗
PubMed2006

Natural history of morbid obesity without surgical intervention.

BACKGROUND: To study the mortality among morbidly obese patients qualifying for bariatric surgery. Mortality from bariatric surgery for morbid obesity has been widely reported; however, little is known about the mortality in morbidly obese patients who defer surgery. METHODS: Consecutive patients evaluated for bariatric surgery with an initial encounter between 1997 and 2004 were identified. The Social Security Death Index and office records were used to identify mortality through 2006. We conducted telephone interviews to determine whether the 305 patients who did not undergo bariatric surgery at our institution had undergone the surgery elsewhere. Using Cox proportional hazards models, we compared the mortality in patients undergoing surgery with that of those who did not. To evaluate bias resulting from missing data, we conducted analyses assuming that all patients with missing data had (1) undergone surgery and (2) not undergone surgery. RESULTS: A total of 908 patients underwent bariatric surgery (880 patients at our institution and 28 patients elsewhere). A total of 112 patients did not undergo surgery. Data regarding surgery on 165 patients could not be obtained. The mortality in those patients who did not undergo surgery was 14.3% compared with 2.9% for those who did undergo surgery. Adjusting for age, gender, and body mass index, patients who had undergone surgery had an 82% reduction in mortality (hazard ratio 0.18, 95% confidence interval 0.09-0.35, P <.0001). Sensitivity analysis, assuming that all patients with missing data received surgery resulted in an 85% mortality reduction (P <.001) and assuming that patients did not receive surgery resulted in a 50% mortality reduction (P = .04). CONCLUSIONS: Mortality among morbidly obese patients without surgery was 14.3% during the study period. Surgical intervention offered a 50%-85% mortality reduction benefit.

Adult↗
PubMed2006

Does pneumococcal vaccine reduce influenza morbidity in humans?

A retrospective study was conducted to verify the possibility that people immunized with pneumococcal vaccine (PV) show lower morbidity not only for pneumonia but also for influenza. A total of 450 individuals were enrolled between 1999 and 2003 and allocated to one of the following groups: (A) not vaccinated; (B) immunized with PV during 1999; (C) immunized with anti-influenza vaccine (Flu-V) each year; and (D) immunized with PV once in 1999 and Flu-V every consecutive year. People from group B showed significantly lower percentage of influenza-related diseases during the year 2000 in comparison with those from group A (p<0.01), whereas in the course of 2001 the morbidity of patients from group B was lower compared with the other groups (p<0.01). The results point to a way to decrease the morbidity of influenza-related diseases by immunization with PV only, at least for 2-3 years, avoiding Flu-V administration and permitting considerable saving for health care providers. Therefore, it is concluded that PV can reduce the morbidity of influenza at a greater rate than the Flu-V.

Aged↗
PubMed1999

Early risk assessment of severe preeclampsia: admission battery of symptoms and laboratory tests to predict likelihood of subsequent significant maternal morbidity.

OBJECTIVE: This study was undertaken to investigate the utility of an admission battery of findings and laboratory data in the discrimination of patients with severe preeclampsia with or without HELLP (hemolysis, elevated liver enzyme levels, and low platelet count) syndrome at high risk for development of significant maternal morbidity. STUDY DESIGN: The clinical and laboratory findings at hospital admission for 970 patients with severe preeclampsia with or without HELLP syndrome were studied retrospectively to develop parameters associated with low, moderate, and high risks for the subsequent development of significant maternal morbidity involving the hematologic and coagulation, cardiopulmonary, and hepatorenal systems. RESULTS: Nausea and vomiting and epigastric pain are independent risk factors for complicated severe preeclampsia. Results of a panel of tests with values including lactate dehydrogenase level >1400 IU/L, aspartate aminotransferase level >150 IU/L, alanine aminotransferase level >100 IU/L, uric acid level >7.8 mg/dL, serum creatinine level >1.0 mg/dL, and 4+ urinary protein by dipstick can be used to discriminate the patient at high risk for significant maternal morbidity. Concentrations of lactate dehydrogenase, aspartate aminotransferase, and uric acid above these cut points have the strongest predictive value and are risk additive with worsening thrombocytopenia. CONCLUSION: The presence of nausea and vomiting, epigastric pain, or both in association with admission laboratory values that are in excess of the cutoffs for lactate dehydrogenase, aspartate aminotransferase, and uric acid concentrations or for all 6 tests is predictive of high risk of morbidity for the patient with severe preeclampsia. These factors are independent of and additive with the rising maternal risk associated with decreasing platelet count.

Alanine Transaminase↗
PubMed2002

An assessment of vertical banded gastroplasty-Roux-en-Y gastric bypass for the treatment of morbid obesity.

OBJECTIVE: To analyze retrospectively the mortality, morbidity, and weight loss of a specific form of gastric bypass for the treatment of morbid obesity. The technique incorporates a small pouch along the lesser curvature of the stomach, an outlet restricted by a nondistensible band and a Roux-en-Y gastric bypass. MATERIAL AND METHODS: We analyzed 652 consecutive patients with no previous bariatric surgery who underwent our present form of gastric bypass. Parameters used to evaluate the technique included mortality, weight loss at 5 years and complications. The operation is a combination of vertical banded gastroplasty and Roux-en-Y gastric bypass (VBG-RGB). The patients followed up to 5 years had an initial weight of 140 kg [range, 94 to 288] and a BMI of 50 [range, 38 to 86]. Superobese individuals (BMI of 60 [range, 48 to 86]) made up 42% of the group. RESULTS: There was an early reoperation rate of 0.5%. The incidence of late complications that required reoperation was 0.5%. There were 2 deaths in the study from pulmonary embolism for a mortality of 0.3%. At 5 years, the patients had lost an average of 58kg [range, 14 to 143] and had a percentage excess weight loss of 77 [range, 32 to 108]. Their BMI was reduced to 29 kg/m(2) [range, 20 to 43] and 93% lost more than 50% of the excess weight. CONCLUSIONS: VBG-RGB is effective in producing superior weight loss in morbid and superobese patients and has a low mortality and morbidity. We recommend this procedure without reservations.

Adult↗
PubMed1997

Surgical morbidity, mortality, and long-term survival in patients with peripancreatic cancer following pancreaticoduodenectomy.

BACKGROUND: Surgical resection of the primary tumor in peripancreatic cancer has been associated with an improved survival and decreased morbidity in the recent literature. The purpose of this review was to analyze the results at a single institution. METHODS: Between 1985 and 1995, 88 patients underwent a pancreaticoduodenectomy for adenocarcinoma of the pancreatic head region and had complete long-term follow-up. Patient records were reviewed to determine morbidity, mortality, and survival. RESULTS: Tumor histology included pancreatic head adenocarcinoma (n = 46), ampullary adenocarcinoma (n = 28), duodenal adenocarcinoma (n = 8), and cholangiocarcinoma (n = 6). Morbidity occurred in 26 patients (29%). Perioperative mortality was seen in 6 patients (7%). No perioperative mortality was seen over the last 3 years, which included 33 patients. The mean follow-up was 29 months, with a median survival of 19 months. At last follow-up, 24 patients were alive without disease with an average survival of 43 months (1 to 141). There were 54 patients who died with cancer with an average survival of 21 months (1 to 117). Based on Kaplan and Meier statistical analysis the estimated survival was 47% at 2 years and 25% at 5 years. The location of the primary tumor (P = 0.0006) and the presence of positive lymph nodes (P = 0.05) was shown to have a negative impact on survival. CONCLUSION: Pancreaticoduodenectomy can be done with acceptable morbidity and mortality. The outlook with this disease remains poor, but long-term survival can be achieved in some patients.

Adenocarcinoma↗
PubMed1998

Morbidity of thyroid surgery.

BACKGROUND: Morbidity is today's concern in thyroid surgery. The purpose of this paper was to quantify risk factors' contribution to morbidity rates. METHODS: During 50 months, 1,163 patients undergoing 1,192 thyroidectomies at one hospital were reviewed at follow-up of 8 to 58 months. RESULTS: There was 1 death (0.08%). Wound morbidity included 19 hematomas (1.6%), 3 chyle leaks (0.2%), and 6 abscesses (0.5%). Mean hospital stay was 4.3 days after surgery without drain and 5.3 days with drain (P < 0.01). Temporary and permanent hypoparathyroidism (TH; PH) rates were 20% and 4%. Parathyroid autografting and excision rates were 19% and 9%. TH rates were higher after parathyroid autografting or accidental excision (P < 0.01). There was no correlation between the severity of TH and the number of lymph nodes at neck dissection nor between postoperative serum calcium levels and the number of parathyroids identified at bilateral surgery. Temporary and permanent recurrent laryngeal nerve (RLN) palsy (TRLNP; PRLNP) rates were 2.9% and 0.5% (0.3% of 2,010 RLNs at risk). PH and TRLNP (not PRLNP) rates were higher after completion or total thyroidectomy with node dissection (P < 0.01). TRLNP and PRLNP rates after RLN exposure and after nonexposure were not statistically different. Surgical volume had no bearing on hematoma, abscess, TH, PH, TRLNP, and PRLNP rates. CONCLUSIONS: High surgical volume, identifying parathyroids and RLNs, failed to reduce morbidity. Completion and total thyroidectomy with node dissection increased PH and TRLNP (not PRLNP) rates.

Adolescent↗
PubMed2003

[Laparoscopic sigmoid resection for diverticulitis: is learning phase associated with increased morbidity?].

AIM: To assess retrospectively the results of laparoscopic sigmidectomy for diverticulitis, with intent to treat, in 58 consecutive patients operating by one surgeon compared with a control group operating by laparotomy. MATERIALS AND METHODS: From 1995 to 2001, 90 consecutive patients undergoing elective sigmoid resection for diverticulitis were divided into 3 groups: laparotomy (Group 1 : n = 32), first cases of laparoscopy (Group 2 : n = 29) and last cases of laparoscopy (Group 3 : n = 29). These 3 groups were similar according to age, sex, Body Mass Index (BMI), American society of anesthesia score (ASA), previous abdominal surgery, number of attacks of diverticulitis, and time between last attack and surgery. Following criteria were studied: operating time, conversation rate, intra-operative and post-operative morbidity, return of intestinal transit, and hospital stay. RESULTS: During laparoscopy, conversion was mandatory in 24% of the cases (7/29) in group 2 and 14% in group 3 (4/29; NS). No intra-operative morbidity was noted in the 58 laparoscopies. Mean operative time was 240 min in group 1, 259 min in group 2, and 241 min in group 3 (NS). Postoperative morbidity was observed in 31% of patients in group 1, 34% in group 2, and 10% in group 3 (p = 0.02). Returm of intestinal transit and oral ingestion and mean hospital stay were significantly shorter in group 2 and group 3 versus group 1 (p < 0.05). CONCLUSION: Our results confirm previous data demonstrating faisability of laparoscopic sigmodectomy for diverticulitis and its benefice in terms of return of intestinal transit and hospital stay. Furthermore, our study suggest that when surgeon gain experience, conversion rate, morbidity and operative time can be reduced.

Adult↗
PubMed2003

Benefits of off-pump bypass on neurologic and clinical morbidity: a prospective randomized trial.

BACKGROUND: Neurologic and clinical morbidity after coronary artery bypass grafting (CABG) can be significant. By avoiding cardiopulmonary bypass, off-pump CABG (OPCAB) may reduce morbidity. METHODS: Sixty patients (30 CABG and 30 OPCAB) were prospectively randomized. Neurocognitive testing was performed before the operation and 2 weeks and 1 year after the operation. Neurologic testing to detect stroke and (99m)Tc-HMPAO whole-brain single photon emission computed tomography scanning to assess cerebral perfusion were performed before the operation and 3 days afterward. Bilateral middle cerebral artery transcranial Doppler scanning was performed intraoperatively to detect cerebral microemboli. All examiners were blinded to treatment group. Clinical morbidity and costs were compared. RESULTS: Coronary artery bypass grafting was associated with more cerebral microemboli (575 +/- 278.5 CABG versus 16.0 +/- 19.5 OPCAB (median +/- semiinterquartile range) and significantly reduced cerebral perfusion after the operation to the bilateral occipital, cerebellar, precunei, thalami, and left temporal lobes (p < or = 0.01). Cerebral perfusion with OPCAB was unchanged. Compared with base line, OPCAB patients performed better on the Rey Auditory Verbal Learning Test (total and recognition scores) at both 2 weeks and at 1 year (p < or = 0.05), whereas CABG performance was statistically unchanged for all cognitive measures. Patients who underwent CABG had more chest tube drainage (1389 +/- 1256 mL CABG versus 789 +/- 586 mL OPCAB, p = 0.02) and required more blood (3.9 +/- 5.8 U CABG versus 1.2 +/- 2.2 U OPCAB, p = 0.02), fresh frozen plasma (3.0 +/- 6.0 U CABG versus 0.5 +/- 2.2 U OPCAB, p = 0.03), and hours of postoperative use of dopamine (16.3 +/- 21.2 hours CABG versus 7.3 +/- 9.7 hours OPCAB, p = 0.04). These differences culminated in higher costs for CABG ($23,053 +/- $5,320 CABG versus $17,780 +/- $4,390 OPCAB, p < 0.0001). One stroke occurred with CABG, compared with none with OPCAB (p = NS). One OPCAB patient died because of a pulmonary embolus (p = NS). CONCLUSIONS: Compared with CABG, OPCAB may reduce neurologic and clinical morbidity as well as cost.

Aged↗
PubMed1998

Morbidity, cost, and six-month outcome of minimally invasive direct coronary artery bypass grafting.

BACKGROUND: Minimally invasive direct coronary artery bypass grafting (MIDCABG) promises to reduce the morbidity of coronary bypass, but this has not been proved. METHODS: This retrospective study compares the morbidity, mortality, cost, and 6-month outcome of patients less than 80 years old undergoing elective left internal mammary artery to left anterior descending artery bypass grafting via MIDCABG (n = 60) or sternotomy (n = 55) between January 1995 and December 1996. There were no differences between the groups in mean age, sex distribution, or preoperative risk level. The left internal mammary artery was mobilized from the fifth costal cartilage to the subclavian artery in all patients. The anastomoses were done with a beating heart in the MIDCABG group and with cardioplegic arrest in the sternotomy group. RESULTS: There were no operative deaths in either group. The MIDCABG patients had a lower transfusion incidence (10/60 [17%] versus 22/55 [40%]; p< or =0.02) and a shorter postoperative intubation time (2.1+/-4.2 versus 12.6+/-9 hours; p< or =0.0001). One patient in each group was reexplored for bleeding. Three sternotomy patients (3/55, 5%) required ventilatory support for greater than 48 hours, but no MIDCABG patient was ventilated for more than 24 hours. Median postoperative length of stay was 4 days for MIDCABG and 7 days for sternotomy. Estimated hospital costs were $11,200+/-3100 for MIDCABG and $15,600+/-4200 for CABG (p < 0.001). The reduced morbidity and cost of MIDCABG was found mostly in high-risk patients. At 6-month follow-up, 5 MIDCABG patients (5/60, 8%) had evidence of recurrent ischemia involving the left anterior descending artery, primarily the result of anastomotic stricture. CONCLUSIONS: This analysis shows that MIDCABG reduces the initial morbidity and cost of coronary bypass, but some patients require subsequent reintervention. Long-term follow-up is needed before MIDCABG can be judged better than traditional bypass, but the initial results are promising, especially in high-risk patients.

Case-Control Studies↗
PubMedDate not supplied

Morbidity and mortality in a large Irish feedlot; microbiological and serological findings in cattle with acute respiratory disease.

A survey of morbidity and mortality was undertaken in a slatted unit containing 6399 beef cattle over a 6 month period. The mortality rate was 0.78% and the morbidity rate was 12.7%. The interval from arrival to morbidity was 25.5 days +/- 0.9. Significantly more sick cattle were identified on either Mondays or Tuesdays than were seen on Saturdays or Sundays (P < 0.005). The mean interval to mortality (all diseases) was 48.5 days +/- 7.4. Respiratory disease was the most frequently recorded disease and was responsible for 62% of morbidity and 58% of mortality. Samples from 133 cattle, taken as they presented with acute onset respiratory disease, contained antibodies to Bovine Herpes Virus -1(BHV-1) (14.3%), Bovine Viral Diarrhoea Virus (BVDV) (78%), Bovine Respiratory Syncytial Virus (BRSV) (94%) and Parainfluenza type 1 Virus (P13V) (99%). When the same cattle were resampled 4 to 6 weeks later antibodies were found for BHV-1 (93.2%), BVDV (99.2%), BRSV (100%) and P13V (100%). Eleven of 27 bronchoalveolar lavage samples taken from the above group of cattle exhibited positive fluorescence for BHV-1 but all 27 samples were negative for BVDV, BRSV and P13V. Pasteurella multocida was isolated from eight of the 27 lavage samples and Pasteurella haemolytica from one sample.

Acute Disease↗
PubMed1996

Prediction of morbidity during infancy after repair of congenital diaphragmatic hernia.

Recent studies have suggested there may be a high incidence of pulmonary and extrapulmonary sequelae among infants who have undergone repair of congenital diaphragmatic hernia (CDH). The aim of this study was to identify factors that predict high-risk cases to facilitate counseling of parents. Morbidity, defined as conditions requiring treatment and/or hospitalization during follow-up, was documented. Only five of 15 cases that had been diagnosed antenatally (at 16 to 26 weeks' gestation) and underwent surgical repair after preoperative stabilization were without morbidity at the time of follow-up. Respiratory problems were identified in seven (chylothorax in 3, recurrent infections in 4) and failure to thrive in four; three infants required further gastrointestinal surgery. A comparison of infants with and without morbidity showed that the only significant difference between the groups was in the duration of respiratory support. A requirement for respiratory support for more than 10 days had 90% sensitivity, 100% specificity, and a positive predictive value for morbidity at follow-up of 100%.

Follow-Up Studies↗