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Federación Mexicana de Ginecología y Obstetricia, A.C.

2023, Number 03

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Ginecol Obstet Mex 2023; 91 (03)

Postpartum Hamman (pneumomediastinal) syndrome. Synthesis of the literature and case report

Peña-Vega CJ, Buitrón-García R, Zavala-Barrios B, Aguirre-García R

Language: Spanish
References: 70
Page: 197-209
PDF size: 438.12 Kb.


ABSTRACT

Background: Hamman's syndrome is characterized by the coexistence of free air in the mediastinum without an identifiable cause; it may also be secondary to trauma, intrathoracic infections, medical procedures such as oesophagoscopy and bronchoscopy. Its incidence is estimated to be between 1 in 2000 and 1 in 100,000 pregnancies.
Clinical case: 18-year-old female patient, weight 65 kg, height 1.56 m and BMI 26.74, corresponding to overweight, primigravida, with no relevant pathological or heredofamilial history, with normal evolution of pregnancy. At 39 weeks, she attended the gynaecological emergency department due to uterine contractility and leakage of fluid from the vagina. The pregnancy was terminated by delivery, with a live newborn. In the immediate postpartum period (30 hours after delivery) she suddenly experienced dyspnoea, orthopnoea and pain in the infraclavicular region, with a sensation of "bubbling" in the anterior chest. Plain chest X-ray showed free air in the mediastinum and subcutaneous emphysema. Chest CT showed multiple air bubbles, with extension of the perivertebral space predominantly on the right. The diagnostic conclusion was: extensive subcutaneous emphysema in the neck spaces extending into the anterior mediastinum, with extensive pneumomediastinum and global cardiomegaly.
Conclusions: Hamman syndrome is prevalent in young primigravidae and has a benign course. Treatment should be conservative, with oxygen and analgesics.


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