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At least 289 records · Page 16Linked to original sources
PubMed2002

Long-term vigorous training in young adulthood and later physical activity as predictors of hypertension in middle-aged and older men.

500 and 69 male former elite athletes and 319 male controls completed a health questionnaire in 1985 and in 1995. Register data on the subjects were also collected. Subjects were aged 65 years or less and had no history of hypertension in 1985, and they had been healthy at the age of 20 years. The athletes were grouped into endurance and mixed sports (n = 386), and power sports (n = 183). The cumulative 10-year incidence of hypertension up to 1995 was significantly lower in the endurance and mixed sports group (23.6 %) compared to the power sports group (33.3 %) or the control group (32.0 %). The difference between the endurance and mixed sports group and the two other groups was still significant after adjustment for age, but not after further adjustment for body mass index, alcohol consumption, and later physical activity. However, the trend of reduced risk remained. In conclusion, a history of being an elite athlete in endurance or mixed sports predicts a lower risk of hypertension in working age men, while a history of being an elite athlete in power sports appears to confer no benefit. Later physical activity was also associated with lower risk.

Adult↗
PubMed1988

Vigorous exercise in a female with cystic fibrosis: spirometric, biochemical, and endocrine responses during four types of intensive exercise.

Spirometric, biochemical, and endocrine responses during a maximal ergometer cycle test and during three runs (10 km, 21.1 km, and 42.2 km) were investigated in one female with cystic fibrosis (CF) 27 years of age and in two healthy control females 26 and 29 years of age. One of the controls ran as a companion to the CF woman, while the other ran at her own speed. The CF woman has a chronic respiratory Pseudomonas aeruginosa infection, and her spirometric values were 50%-70% of predicted values at the time of the study. For the last years she has been training almost daily with aerobics, running, cycling, or skiing. She completed the four types of exercise without major problems. Her spirometric values increased transiently following the cycle test and for several hours following the three races (maximal 20%-30% increase of spirometric values), while the controls had transient decreases of the same variables in response to the runs. The biochemical and the hormonal changes were similar in the CF woman and the control who ran at her own speed, while the control who was a less stressed companion showed smaller changes. This study demonstrates that well-trained females with CF may participate in strenuous prolonged exercise without untoward effects.

Adrenal Cortex Hormones↗
PubMed2001

Free fatty acids activate a vigorous Ca(2+):2H(+) antiport activity in yeast mitochondria.

The accumulation and retention of Ca(2+) by yeast mitochondria (Saccharomyces cerevisiae) mediated by ionophore ETH 129 occurs with a variable efficiency in different preparations. Ineffective Ca(2+) transport and a depressed membrane potential occur in parallel, are exacerbated in parallel by exogenous free fatty acids, and are corrected in parallel by the addition of bovine serum albumin. Bovine serum albumin is not required to develop a high membrane potential when either Ca(2+) or ETH 129 are absent, and when both are present membrane potential is restored by the addition of EGTA in a concentration-dependent manner. Respiration and swelling data indicate that the permeability transition pore does not open in yeast mitochondria that are treated with Ca(2+) and ETH 129, whereas fatty acid concentration studies and the inaction of carboxyatractyloside indicate that fatty acid-derived uncoupling does not underlie the other observations. It is concluded that yeast mitochondria contain a previously unrecognized Ca(2+):2H(+) antiporter that is highly active in the presence of free fatty acids and leads to a futile cycle of Ca(2+) accumulation and release when exogenous Ca(2+) and ETH 129 are available. It is also shown that isolated yeast mitochondria degrade their phospholipids at a relatively rapid rate. The activity responsible is also previously unrecognized. It is Ca(2+)-independent, little affected by the presence or absence of a respiratory substrate, and leads to the hydrolysis of ester linkages at both the sn-1 and sn-2 positions of the glycerophospholipids. The products of this activity, through their actions on the antiporter, explain the variable behavior of yeast mitochondria treated with Ca(2+) plus ETH 129.

Calcium↗
PubMed1985

Measles in young adults. The case for vigorous pursuit of immunization.

Although the incidence of measles has reached record low levels in the United States, measles continues to occur in young adults. No single public health measure can ensure immunity for young adults, as school immunization laws do for young children. Therefore, to eliminate measles in this age-group, clinicians must take the initiative to vaccinate or revaccinate patients. To facilitate containment of outbreaks of measles, clinicians should include measles in the differential diagnosis of any illness characterized by fever and a generalized rash and should promptly report these cases as suspected measles to local health departments, without waiting for laboratory confirmation. If the suspected case is indeed measles, a significant outbreak could be avoided long before the first laboratory results are known.

Adolescent↗
PubMed1988

Medical clearance for vigorous exercise. Clinical evaluation and exercise testing.

The practitioner plays an important role in providing guidance for exercise. Physical activity is one component of a life-style aimed at enhancing the health of the individual. When entered into with appropriate understanding and with reasonable expectations and goals, exercise can also be a major source of enjoyment. The role of the practitioner is to guide the patient to an appropriate level and intensity of exercise carried out in a suitable setting. In identifying the health habits and risk factors of the patient seeking clearance for an exercise program, physicians can do more than simply address the exercise issue. They can seize the opportunity to take a broader look at the patient's entire cardiovascular status and guide the patient into a generally beneficial program of health enhancement.

Coronary Disease↗
PubMedDate not supplied

Stability, vigor, and inherent versatility of novel amino linker and spacer phosphoramidites.

Novel amino linker and spacer phosphoramidites were synthesized from methoxyoxalamido (MOX) percursors possessing a secondary hydroxyl, which when phosphitylated endowed stability to the corresponding phosphoramidites. The synthetic strategy is robust, and the chemistry is reactive towards a variety of primary aliphatic diamines and amino alcohols to produce distinctly unique phosphoramidites. The selection of building blocks determines the length and physico-chemical properties of the phosphoramidite tethering arms, and the synthesis can be specifically tailored to suit individual requirement.

Amines↗
PubMed1991

Should we vigorously try to contain and control methicillin-resistant Staphylococcus aureus?

OBJECTIVE: To review practices currently used to control transmission of methicillin-resistant Staphylococcus aureus (MRSA) in hospitals, determine the frequency of their use, and discuss the indications for implementing such measures. DESIGN: A questionnaire survey to determine how commonly selected control practices are used, and a literature review of the efficacy of control practices. PARTICIPANTS: Two hundred fifty-six of 360 hospital-based members fo the Society for Hospital Epidemiology of America, Inc. (SHEA) completed the survey questionnaire. RESULTS: Many different combinations of surveillance and control measures are used by hospitals with MRSA. Nine percent of hospitals stated that no special measures were used to control MRSA. The efficacy of commonly used control measures has not been established by controlled trials. CONCLUSIONS: Implementing control measures is warranted when MRSA causes a high incidence of serious nosocomial infections, and is desirable when MRSA has been newly introduced into a hospital or into an intensive care unit, or when MRSA accounts for more than 10% of nosocomial staphylococcal isolates. While the value of some practices is well established, measures such as routinely attempting to eradicate carriage of MRSA by colonized patients and personnel require further evaluation.

Carrier State↗