Abstract:
STUDY OBJECTIVE:To assess respiratory muscle fatigue in acute respiratory failure in patients with chronic obstructive pulmonary disease and evaluate its influence on weaning patients from mechanical ventilation. DESIGN AND PATIENTS:We studied the time course of tracheal occlusion pressure (P0.1) and high-to-low ratio of the diaphragmatic electromyogram in 16 patients in acute respiratory failure with chronic obstructive pulmonary disease. METHODS:All patients were intubated and studied during a 15-minute weaning period from ventilation. Minute ventilation (VE), arterial blood gases, P0.1 and high-to-low ratio of the diaphragm were measured every day from the onset to the end of acute failure (before extubation) at 5 and 15 minutes into the weaning period. The diaphragmatic electromyogram was recorded with an esophageal electrode and the high-to-low ratio of the electrical signal analyzed to assess diaphragmatic fatigue. MEASUREMENTS AND MAIN RESULTS:In all patients P0.1 was markedly increased (7.1 +/- 2.4 cm H2O, mean +/- SE) on the first day of acute failure and did not change during weaning. In 11 patients, P0.1 had decreased to 4.7 +/- 1.8 cm H2O (P less than or equal to 0.002) before extubation (which was done after 5 to 9 days). In these patients, the high-to-low ratio of the diaphragm decreased rapidly-during the first minutes of weaning on the first day of acute failure and remained low throughout weaning, whereas before extubation no decrease in high-to-low ratio was seen during weaning. In 5 patients, P0.1 did not change significantly from the onset of acute failure and the high-to-low ratio remained low before extubation. These 5 patients had to be reintubated within 2 to 6 days. In both groups of patients, VE did not change significantly from the first to last day of acute failure (10.3 +/- 3 compared with 10.7 +/- 2.1 min-1), whereas blood gases during room air breathing improved significantly from the first to last day of acute failure, respectively, in each group (arterial oxygen pressure [PaO2], 33.5 +/- 1.5 compared with 44 +/- 9 mm Hg (P less than or equal to 0.05) and PaO2 56 +/- 2.3 compared with 49 +/- 2 mm Hg (P less than 0.005). CONCLUSIONS:Extubation should not be done in patients with respiratory muscle fatigue despite improvement in arterial blood gases and clinical status; and P0.1 provides a valid and simple index to assess the likelihood of respiratory muscle fatigue.
journal_name
Ann Intern Medjournal_title
Annals of internal medicineauthors
Murciano D,Boczkowski J,Lecocguic Y,Emili JM,Pariente R,Aubier Mdoi
10.7326/0003-4819-108-6-800subject
Has Abstractpub_date
1988-06-01 00:00:00pages
800-5issue
6eissn
0003-4819issn
1539-3704journal_volume
108pub_type
杂志文章abstract:BACKGROUND:Common diseases, particularly dementia, have large social costs for the U.S. population. However, less is known about the end-of-life costs of specific diseases and the associated financial risk for individual households. OBJECTIVE:To examine social costs and financial risks faced by Medicare beneficiaries ...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/M15-0381
更新日期:2015-11-17 00:00:00
abstract::To standardize the cutoff points of serum cortisol values in the evaluation of Cushing's syndrome during a low- and high-dose dexamethasone suppression test, daily serum cortisol measurements (0800 hours and 1600 hours) and urinary 17-hydroxycorticosteroids were compared (Study A). Forty-seven subjects were studied (1...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-97-1-21
更新日期:1982-07-01 00:00:00
abstract::Traditionally, acupuncture is embedded in naturalistic theories that are compatible with Confucianism and Taoism. Such ideas as yin-yang, qi, dampness, and wind represent East Asian conceptual frameworks that emphasize the reliability of ordinary, human sensory awareness. Many physicians who practice acupuncture rejec...
journal_title:Annals of internal medicine
pub_type: 历史文章,杂志文章,评审
doi:10.7326/0003-4819-136-5-200203050-00010
更新日期:2002-03-05 00:00:00
abstract::In September 1978, cases of hepatitis B in two patients treated by the same dentist led to investigation of a dental practice in Baltimore, Maryland. The dentist had had acute hepatitis B in June 1978 and had remained positive for hepatitis B surface antigen and hepatitis B e antigen over the ensuing 6 months. He had ...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-95-2-133
更新日期:1981-08-01 00:00:00
abstract::The past 2 decades have seen a revolution in legal access to cannabis, driven largely by activists and business interests. As a result, the population of cannabis users nationwide-especially daily users-has grown significantly. An estimated 4.5-7 million persons in the United States now meet criteria for cannabis use ...
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更新日期:2020-11-03 00:00:00
abstract:BACKGROUND:Because psychological approaches are likely to produce sustained benefits without the risk for tolerance or adverse effects associated with pharmacologic approaches, cognitive behavioral therapy for insomnia (CBT-i) is now commonly recommended as first-line treatment for chronic insomnia. PURPOSE:To determi...
journal_title:Annals of internal medicine
pub_type: 杂志文章,meta分析,评审
doi:10.7326/M14-2841
更新日期:2015-08-04 00:00:00
abstract:BACKGROUND:Understanding the risk factors for ventilator-associated pneumonia can help to assess prognosis and devise and test preventive strategies. OBJECTIVE:To examine the baseline and time-dependent risk factors for ventilator-associated pneumonia and to determine the conditional probability and cumulative risk ov...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-129-6-199809150-00002
更新日期:1998-09-15 00:00:00
abstract::The approximately 1.2 million inmates in U.S. correctional institutions have a high prevalence of communicable diseases, such as human immunodeficiency virus (HIV) infection, tuberculosis, hepatitis B virus infection, and gonorrhea. Before their incarceration, most inmates had limited access to health care, which, tog...
journal_title:Annals of internal medicine
pub_type: 杂志文章,评审
doi:10.7326/0003-4819-118-2-199301150-00010
更新日期:1993-01-15 00:00:00
abstract:STUDY OBJECTIVE:To determine the relative importance of adiposity and fat distribution to cardiovascular risk profile. DESIGN:A cross-sectional study. SETTING:Clinical research center funded by the National Institutes of Health. PATIENTS:Convenience sample of 33 healthy premenopausal women with a wide range of body ...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-110-11-867
更新日期:1989-06-01 00:00:00
abstract::The frequency of solid tumors was evaluated in 628 consecutive patients with multiple myeloma who had been treated with various melphalan-prednisone combinations. Among those patients who lived at least 2 months, the incidence and diversity of second tumors were similar to those in normal persons of the same age and d...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-90-5-780
更新日期:1979-05-01 00:00:00
abstract:Background:Whether statin type influences hepatocellular carcinoma (HCC) incidence or mortality in chronic hepatitis B or C virus infection is unknown. Objective:To assess the relationship between lipophilic or hydrophilic statin use and HCC incidence and mortality in a nationwide population with viral hepatitis. Des...
journal_title:Annals of internal medicine
pub_type: 杂志文章
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更新日期:2019-09-03 00:00:00
abstract::During the National Cooperative Gallstone Study, therapy with chenodiol, 750 or 375 mg/d, for 2 years resulted in confirmed, complete gallstone dissolution in 14% and 5% of patients, respectively, and partial dissolution (greater than 50%) in 27% and 18%. The present study was done to determine the frequency with whic...
journal_title:Annals of internal medicine
pub_type: 临床试验,杂志文章
doi:10.7326/0003-4819-100-3-382
更新日期:1984-03-01 00:00:00
abstract::Thirty-nine cases of Legionnaires' disease in a 16-month period were identified in visitors to and residents of Bloomington, Indiana. Thirty-five patients had spent at least one night at the Indiana Memorial Union in the 2 weeks before becoming ill. Five of 32 sporadic cases nationwide between 1 January and 31 March 1...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-90-4-587
更新日期:1979-04-01 00:00:00
abstract:OBJECTIVE:To determine the effects of fluvastatin, a synthetic 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor, combined with moderate alcohol consumption on lipid profiles and hepatic function in patients with primary hypercholesterolemia. DESIGN:Randomized, placebo-controlled, crossover study. S...
journal_title:Annals of internal medicine
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.7326/0003-4819-122-9-199505010-00006
更新日期:1995-05-01 00:00:00
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pub_type: 杂志文章
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更新日期:2010-11-02 00:00:00
abstract:BACKGROUND:In AIDS, nodular skin disease can result from various causes. OBJECTIVE:To report a new manifestation of microsporidial infection presenting as nodular skin disease with underlying osteomyelitis. DESIGN:Case report. SETTING:Tertiary-care military medical center in Washington, D.C. PATIENT:A 36-year-old w...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-128-11-199806010-00009
更新日期:1998-06-01 00:00:00
abstract::Tissues from guinea pigs inoculated intraperitoneally with the Legionnaires' disease (LD) bacterium were studied with light, immunofluorescent, and electron microscopy. The principal gross lesion was diffuse peritonitis of varying severity. Microscopically, the peritonitis of covered by a mixed inflammatory infiltrate...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-90-4-671
更新日期:1979-04-01 00:00:00
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journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-115-11-843
更新日期:1991-12-01 00:00:00
abstract::After marketing, drugs should be evaluated for safety and for efficacy. Present national systems are inadequate for both tasks. Safety can be evaluated by means of nonexperimental research, whereas evaluation of efficacy in a variety of settings representing normal medical practice generally requires experiments, rand...
journal_title:Annals of internal medicine
pub_type: 杂志文章
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journal_title:Annals of internal medicine
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journal_title:Annals of internal medicine
pub_type: 杂志文章
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更新日期:1970-09-01 00:00:00
abstract:Background:The benefits of pay-for-performance (P4P) programs are uncertain. Purpose:To update and expand a prior review examining the effects of P4P programs targeted at the physician, group, managerial, or institutional level on process-of-care and patient outcomes in ambulatory and inpatient settings. Data Sources...
journal_title:Annals of internal medicine
pub_type: 杂志文章,评审
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更新日期:2017-03-07 00:00:00
abstract::Many health care professionals have sustained an almost single-minded conviction that disparities in access to health care across socioeconomic groups are the key reason for the major discrepancies in health status between wealthy persons and poor persons. Others, however, have argued that a host of factors work to cr...
journal_title:Annals of internal medicine
pub_type: 杂志文章,评审
doi:10.7326/0003-4819-129-5-199809010-00012
更新日期:1998-09-01 00:00:00
abstract::The efficacy of corticosteroid treatment in the prophylaxis of the fat embolism syndrome was evaluated in a prospective, randomized, double-blind study of high-risk patients with long-bone fractures. Using a set of objective diagnostic criteria, we saw a significant difference in the incidence of the syndrome between ...
journal_title:Annals of internal medicine
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.7326/0003-4819-99-4-438
更新日期:1983-10-01 00:00:00
abstract::We prospectively studied the evaluation of dementia in 107 unselected outpatients; 83 had so-called "irreversible" dementias, including 74 who had an Alzheimer-type dementia. Fifteen patients had potentially reversible dementias, of which hypothyroidism and drug toxicity were the commonest causes. Distinguishing featu...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-100-3-417
更新日期:1984-03-01 00:00:00
abstract::A patient with familial Mediterranean fever and amyloidosis who received a cadaver renal transplant 6 1/2 years ago was studied to determine the relation of the serum precursor of secondary amyloid (SAA) to the clinical course and to the deposition of amyloid in the transplant. Amyloid fibrils extracted from the patie...
journal_title:Annals of internal medicine
pub_type: 杂志文章
doi:10.7326/0003-4819-87-1-31
更新日期:1977-07-01 00:00:00
abstract:SOURCE CITATION:Armstrong PW, Pieske B, Anstrom KJ, et al. Vericiguat in patients with heart failure and reduced ejection fraction. N Engl J Med. 2020;382:1883-93. 32222134. ...
journal_title:Annals of internal medicine
pub_type: 评论,杂志文章
doi:10.7326/ACPJ202009150-030
更新日期:2020-09-15 00:00:00
abstract:DESCRIPTION:Update of the 2005 U.S. Preventive Services Task Force (USPSTF) recommendation on screening for abdominal aortic aneurysm (AAA). METHODS:The USPSTF commissioned a systematic review that assessed the evidence on the benefits and harms of screening for AAA and strategies for managing small (3.0 to 5.4 cm) sc...
journal_title:Annals of internal medicine
pub_type: 杂志文章,实务指引
doi:10.7326/M14-1204
更新日期:2014-08-19 00:00:00
abstract:DESCRIPTION:Updated U.S. Preventive Services Task Force (USPSTF) recommendation about screening for type 2 diabetes mellitus in adults. METHODS:To estimate the balance of benefits and harms of screening, the USPSTF updated its 2003 evidence review, adding evidence from new trials as well as updates on earlier studies....
journal_title:Annals of internal medicine
pub_type: 杂志文章,实务指引
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更新日期:2008-06-03 00:00:00
abstract::Considerable evidence links elevated blood cholesterol levels to the development of atherosclerosis. The National Cholesterol Education Program (NCEP) has recently published revised guidelines for detecting and treating hypercholesterolemia in adults. Included in these guidelines is the recommendation that all adults ...
journal_title:Annals of internal medicine
pub_type: 评论,杂志文章,评审
doi:10.7326/0003-4819-124-5-199603010-00008
更新日期:1996-03-01 00:00:00