Eventration of the Diaphragm

Christensen, Poul

doi:10.1136/thx.14.4.311

Cited by 59 publications

(36 citation statements)

References 22 publications

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“…Theoretically, thus hemidiaphragmatic paralysis would cause a considerable decrease in respiratory function. This has been denied by some authors [13] but confirmed by others [7,8,II,14].…”

Section: Introductionmentioning

confidence: 71%

“…Earlier studies have shown that surgical reinforcement and fixation of the diaphragm in a normal position might improve lung function [7], and at least in patients with a maximal breathing capacity below 70 1/min such an operation should be considered.…”

Section: Discussionmentioning

confidence: 99%

“…Regional lung function studies are, however, sparse [7,14], The diaphragm is considered to contri bute up to 60-70% of the total ventilation at rest both in the sitting and supine positions. Theoretically, thus hemidiaphragmatic paralysis would cause a considerable decrease in respiratory function.…”

Section: Introductionmentioning

confidence: 99%

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Regional and Total Lung Function Studies in Patients with Hemidiaphragmatic Paralysis

Arborelius

Lilja

Senyk³

1975

Respiration

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Global and regional lung function were studied in 17 subjects with hemidiaphragmatic paralysis. Global lung function (VC, MVV, and FEV1) in the sitting position was reduced by an average of about 25 %. Regional lung function data in the same position showed a considerable decrease in perfusion (19%), ventilation (20%), and lung volume (7%) of the diseased side as compared to reference values obtained in healthy volunteers. Compared to the partition of function in the supine, the perfusion of the affected lung increased when it was lowermost in the lateral decubitus position, while regional FRC decreased and ventilation changed little. When uppermost, perfusion and ventilation of the affected lung decreased while FRC_r·increased somewhat. The arterial oxygen tension was significantly below normal in the supine position but in the normal range in the sitting position. It increased further during exercise. Bronchography showed compression of the basal lung segments on the affected side in the erect, and kinking and obliteration of lower lobe bronchi in the supine position and still more when the lung was lowermost in the lateral decubitus position.

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“…Theoretically, thus hemidiaphragmatic paralysis would cause a considerable decrease in respiratory function. This has been denied by some authors [13] but confirmed by others [7,8,II,14].…”

Section: Introductionmentioning

confidence: 71%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Regional and Total Lung Function Studies in Patients with Hemidiaphragmatic Paralysis

Arborelius

Lilja

Senyk³

1975

Respiration

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“…The confusion between DH and diaphragmatic hernias, their rarity and the large amount of synonyms used in the literature (hernia, paralysis, diaphragmatic elevation or relaxation, diaphragmatic failure, Petit's disease, neurogenic muscular aplasia of the diaphragm, megaphrenia, megadiaphragm and diaphragmatic atrophy) can cause controversy 1,7,9,111 and create difficulties for spreading awareness of this disease.…”

Section: Discussionmentioning

confidence: 97%

“…[4][5][6] By contrast, few cases in adults have shown symptoms (progressive dyspnea, orthopnea, recurrent pneumonia, palpitations or dyspepsia). 4,[7][8][9][10] The true incidence of this disease is difficult to estimate and often underestimated, due to the existence of asymptomatic or symptomatic cases that have not been treated surgically. 1,4,7,11 The most accepted surgical treatment for symptomatic cases is to perform folds in the diaphragm to achieve its descent and appropriate tension, a technique known as diaphragmatic plication (DP) (Fig.…”

Section: Introductionmentioning

confidence: 99%