What question did this study set out to answer?

To examine the electrophysiological effects of direct surgical manipulation of the heart during and following operative intervention.

September 1, 1939Annals of Internal Medicine

Electrocardiographic Observations in Cardiac Surgery

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Why the study?

What are the electrocardiographic effects of surgical manipulation of the heart during and after cardiac surgery?

Key Points

To examine the electrophysiological effects of direct surgical manipulation of the heart during and following operative intervention.
Electrocardiographic evaluations were conducted during and after surgery in a series of 32 patients operated on by a single surgeon.
Interventions comprised cardiac anastomosis for angina pectoris and coronary sclerosis (n=24) and pericardial scar resection for chronic cardiac compression (Pick's disease, n=8).
Direct surgical handling and alteration of cardiac tissue caused observable intraoperative and postoperative electrocardiographic shifts.
Electrocardiographic changes qualitatively demonstrated the electrical consequences of myocardial manipulation during revascularization procedures and pericardial decompression.

Structured PICO

What are the electrocardiographic effects of surgical manipulation of the heart during and after cardiac surgery?

Population

32 patients undergoing cardiac surgery (24 cases of cardiac anastomosis for angina pectoris and coronary sclerosis, and 8 cases of resection of compressive pericardial scars for chronic cardiac compression/Pick's disease)

Intervention

Surgical manipulation of the heart (cardiac anastomosis or resection of compressive pericardial scars)

Outcome

Electrocardiographic changes during and after operationsurrogate

This historical case series describes early electrocardiographic observations made during and after surgical manipulation of the heart.

Discussion

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Implication

Historical ECG observations during cardiac surgery offer context but should not guide practice; leaves open need for contemporary validation.

Cite This Study

Feil et al. (1939) studied this question.

synapsesocial.com/papers/6a8a41b8b4e829b19bd4754d https://doi.org/10.7326/0003-4819-13-3-402

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Implication

Historical ECG observations during cardiac surgery offer context but should not guide practice; leaves open need for contemporary validation.

Electrocardiographic Observations in Cardiac Surgery

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Electrocardiographic Observations in Cardiac Surgery

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

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