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Hypotensive esophageal peristalsis — Clinical Guidelines

Overview

Hypotensive esophageal peristalsis refers to hemodynamic instability characterized by reduced cardiac output and blood pressure upon assuming a supine position, often observed in specific clinical contexts such as pregnancy. 1

Diagnosis

Position-dependent hemodynamic changes: Significant decrease in cardiac output and mean arterial blood pressure, with increased heart rate when transitioning from lateral to supine position. 1

Symptomatology: Presence of symptoms suggestive of hemodynamic compromise in the supine position.

Monitoring: Continuous heart rate, blood pressure, and cardiac output measurements during positional changes. 1

Management

Positioning: Maintain lateral recumbent position to prevent hemodynamic instability. 1

Supportive Care: Fluid resuscitation and vasopressor support if hypotension is severe. Specific drug classes and doses not detailed in provided abstracts.

Special Populations

Pregnancy: Third-trimester gravid women are particularly susceptible to supine hypotensive syndrome, requiring careful monitoring and positional management. 1

Key Recommendations

Monitor hemodynamic parameters during positional changes in patients suspected of supine hypotensive syndrome to identify significant fluctuations in cardiac output and blood pressure. (Evidence: Moderate 1)

Maintain lateral recumbent positioning to prevent symptomatic hypotension in susceptible individuals, especially pregnant women. (Evidence: Moderate 1)

Consider supportive measures such as fluid resuscitation for severe cases of hypotension, though specific pharmacological interventions are not detailed in current evidence. (Evidence: Expert opinion)

References

1 Lanni SM, Tillinghast J, Silver HM. Hemodynamic changes and baroreflex gain in the supine hypotensive syndrome. American journal of obstetrics and gynecology 2002. link 2 Palladino WG, Proctor HJ, Jobsis FF. Effect of hypothermia during hypoxic hypotension on cerebral metabolism. The Journal of surgical research 1983. link90087-2) 3 Proctor HJ, Mueller RA, Palladino WG, Breese GR. Brain neurotransmitter and high-energy phosphate concentration after combined hypoxia and hypotension. Circulatory shock 1981. link 4 Proctor HJ, Wood JJ, Palladino W, Woodley C. Effects of hypoxia and hypotension on oxygen delivery in the brain. The Journal of trauma 1979. link

Hypotensive esophageal peristalsis