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Using Multivariate Statistics

SUMMARY OF APPROACH The approach to surgery in the patient with COPD is summa-rized below. Surgery Definitely indicated Lung resection. Pulmonary function studies should be performedbefore lung resection. Simple spirometry has the greatest utilityin documenting physiologic operability. FEV, > 2 L in an adultman or > 60% of predicted is acceptable for pneumonectomy.Values below this suggest that further studies, such as split func-tion assessment by quantitative lung scintigraphy and exercisetesting, are warranted.FEV, predicted after lung resection to be less than 40 to 50%of normal for the patient’s sex, age, and height suggests highermorbidity and mortality. An exercise 90, of less than 10 to 15ml/min per kg of body weight is associated with higher mor-bidity and mortality after lung resection.All elective surgery Prophylaxis against deep venous throm-bosis should be given before most procedures that will requirepostoperative bed rest or significantly reduce mobility. Heparinin low doses seems well accepted for most procedures. Externalpneumatic compression of the lower legs can be used when anti-coagulants are contraindicated.

/pdf/standards-for-the-diagnosis-and-care-of-patients-with-13vz6fyao0.pdf

Standards for the Diagnosis and Care of Patients with Chronic Obstructive Pulmonary Disease

Caffeine is the most widely consumed behaviorally active substance in the world. Almost all caffeine comes from dietary sources (beverages and food), most of it from coffee and tea. Acute and, especially, chronic caffeine intake appear to have only minor negative consequences on health. For this

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

The heme oxygenases, which consist of constitutive and inducible isozymes (HO-1, HO-2), catalyze the rate-limiting step in the metabolic conversion of heme to the bile pigments (i.e., biliverdin and bilirubin) and thus constitute a major intracellular source of iron and carbon monoxide (CO). In recent years, endogenously produced CO has been shown to possess intriguing signaling properties affecting numerous critical cellular functions including but not limited to inflammation, cellular proliferation, and apoptotic cell death. The era of gaseous molecules in biomedical research and human diseases initiated with the discovery that the endothelial cell-derived relaxing factor was identical to the gaseous molecule nitric oxide (NO). The discovery that endogenously produced gaseous molecules such as NO and now CO can impart potent physiological and biological effector functions truly represented a paradigm shift and unraveled new avenues of intense investigations. This review covers the molecular and biochemical characterization of HOs, with a discussion on the mechanisms of signal transduction and gene regulation that mediate the induction of HO-1 by environmental stress. Furthermore, the current understanding of the functional significance of HO shall be discussed from the perspective of each of the metabolic by-products, with a special emphasis on CO. Finally, this presentation aspires to lay a foundation for potential future clinical applications of these systems.

/pdf/heme-oxygenase-1-carbon-monoxide-from-basic-science-to-2rhjm6458g.pdf

Heme oxygenase-1/carbon monoxide: from basic science to therapeutic applications.

This review provides the reader with the up-to-date evidence-based basis for prescribing exercise as medicine in the treatment of 26 different diseases: psychiatric diseases (depression, anxiety, stress, schizophrenia); neurological diseases (dementia, Parkinson's disease, multiple sclerosis); metabolic diseases (obesity, hyperlipidemia, metabolic syndrome, polycystic ovarian syndrome, type 2 diabetes, type 1 diabetes); cardiovascular diseases (hypertension, coronary heart disease, heart failure, cerebral apoplexy, and claudication intermittent); pulmonary diseases (chronic obstructive pulmonary disease, asthma, cystic fibrosis); musculo-skeletal disorders (osteoarthritis, osteoporosis, back pain, rheumatoid arthritis); and cancer. The effect of exercise therapy on disease pathogenesis and symptoms are given and the possible mechanisms of action are discussed. We have interpreted the scientific literature and for each disease, we provide the reader with our best advice regarding the optimal type and dose for prescription of exercise.

/pdf/exercise-as-medicine-evidence-for-prescribing-exercise-as-4ap89k53ch.pdf

Exercise as medicine – evidence for prescribing exercise as therapy in 26 different chronic diseases

Objectives/Hypothesis: The objective was to develop an abbreviated voice handicap assessment instrument and compare it with the Voice Handicap Index (VHI).

Study Design: Item analysis of the VHI in individuals without voice disorders and patients with voice disorders and creation and validation of the abbreviated VHI.

Methods: Clinical consensus review of the VHI items was held to prioritize the clinical value of each of the VHI items (30 items in all). Item analysis of the VHI was performed using the VHI responses of 100 patients with voice problems and 159 control subjects. The 10 most robust VHI items were selected using the item analysis and clinical consensus results to form the Voice Handicap Index-10 (VHI-10). Statistical analysis comparing the validity of the VHI-10 with the VHI was performed with 819 patients representing a wide spectrum of voice disorders.

Results: Statistical analysis of the VHI and VHI-10 scores from the study group showed no statistically significant differences between the VHI and the VHI-10. Irrespective of diagnosis, the correlation between the VHI and the VHI-10 was greater than .90 (P = .01). The ratios of the VHI-10 to VHI scores for a variety of voice disorder categories were analyzed and found to be consistently greater than the expected value (33%). This suggests that the VHI-10 may be a more robust instrument than the VHI.

Conclusion: The VHI-10 is a powerful representation of the VHI that takes less time for the patient to complete without loss of validity. Thus, the VHI-10 can replace the VHI as an instrument to quantify patients' perception of their voice handicap.

Development and validation of the voice handicap index-10.

Obliterative bronchiolitis after lung and heart-lung transplantation: An analysis of risk factors and management

Voice handicap index change following treatment of voice disorders.

Aim
This paper is a report of a study to identify critical thinking learning needs of new and experienced nurses.

Critical thinking ability of new graduate and experienced nurses

A clinical randomized study (posttest design) was conducted to examine whether patient-centered care (PCC) impacts patient satisfaction, perception of nursing care, and quality of care. Differences were seen in 2 of 3 subscales within the Baker and Taylor Measurement Scale. The PCC group rated satisfaction (P = .04) and quality of services (P = .03) higher than controls. PCC may impact patients' perception of the level of satisfaction and quality of care received.

Thomas G. Zullo

Papers

Development and validation of the voice handicap index-10.

Obliterative bronchiolitis after lung and heart-lung transplantation: An analysis of risk factors and management

Voice handicap index change following treatment of voice disorders.

Critical thinking ability of new graduate and experienced nurses

Effect of patient-centered care on patient satisfaction and quality of care.