Document Detail

Proton magnetic resonance spectroscopy of brain to study the cerebral metabolic abnormalities in COPD patients: a case control study in north India.
MedLine Citation:
PMID:  19317358     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: To investigate changes in the cerebral metabolism of nondiabetic and normolipidaemic patients with chronic obstructive pulmonary disease (COPD) using localised in vivo proton magnetic resonance spectroscopy (1H MRS), and to correlate these with the severity of disease. METHODS: Twenty-eight symptomatic COPD patients and 19 healthy controls underwent 1H MRS of brain, pulmonary function testing and respiratory muscle strength evaluation. The parieto-temporal and occipital regions were localised for 1H MRS. The metabolic ratios of N-acetyl aspartate to cretinine (NAA/Cr) and choline containing compound to creatinine (Cho/Cr) were calculated by integrating area under the each peak. RESULTS: The mean value of NAA/Cr and Cho/Cr in parieto-temporal area in COPD patients were (1.86 +/- 0.54) and (0.77 +/- 0.23), respectively. The mean values of NAA/Cr and Cho/Cr in occipital area in COPD patients were (1.75 +/- 0.44) and (0.61 +/- 0.25), respectively. Compared with healthy control subjects, the mean values of Cho/Cr in COPD patients were lower, both in parieto-temporal (0.77 +/- 0.23 vs. 0.89 +/- 0.35; p = 0.17) and occipital (0.61 +/- 0.25 +/- vs. 0.67 +/- 0.08; p = 0.36) areas of the brain. CONCLUSIONS: The cerebral metabolism, pulmonary function testing and respiratory muscle strength altered in symptomatic COPD patients. The clinical significance of cerebral metabolic changes in COPD patients needs to be further investigated.
Sanjeev Sinha; Virendra Kumar; N R Jagannathan; Ravindra Mohan Pandey
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Indian journal of chest diseases & allied sciences     Volume:  51     ISSN:  0377-9343     ISO Abbreviation:  Indian J Chest Dis Allied Sci     Publication Date:    2009 Jan-Mar
Date Detail:
Created Date:  2009-03-25     Completed Date:  2009-04-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7612044     Medline TA:  Indian J Chest Dis Allied Sci     Country:  India    
Other Details:
Languages:  eng     Pagination:  15-9     Citation Subset:  IM    
Department of Medicine, All India Institute of Medical Sciences, New Delhi, India.
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MeSH Terms
Brain / metabolism*
Case-Control Studies
Magnetic Resonance Spectroscopy*
Pulmonary Disease, Chronic Obstructive / metabolism*

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