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[Pulmonary function in dogs submitted to bilateral cervical vagotomy (author's transl)]
Revista Brasileira De Pesquisas Medicas E Biologicas
|December 1, 1979
Summary
Cervical vagotomy did not affect pulmonary function or hemodynamics in dogs, regardless of whether they breathed spontaneously or were mechanically ventilated. Key respiratory and circulatory parameters remained unchanged post-surgery in both groups.
Area of Science:
- Physiology
- Surgical Research
Context:
- The vagus nerve plays a role in regulating respiratory and cardiovascular functions.
- Understanding the impact of vagotomy is crucial for surgical procedures involving the neck and thorax.
Purpose:
- To investigate the effects of cervical vagotomy on pulmonary function and hemodynamics in dogs.
- To compare these effects between spontaneously breathing and mechanically ventilated dogs.
Summary:
- Cervical vagotomy was performed on two groups of dogs: one group with spontaneous breathing and another with mechanical ventilation.
- Pulmonary function parameters (pH, PaCO2, PaO2, HCO-3, P(A-a)O2) and hemodynamic parameters (C(a-v)O2, FC, Pam, Pcp) were measured before and after vagotomy.
- No significant changes in pulmonary or hemodynamic parameters were observed in either group after vagotomy, nor were there differences between the two groups.
Impact:
- This study suggests that cervical vagotomy, in isolation, may not significantly alter core respiratory and hemodynamic functions in dogs.
- Findings could inform pre-operative assessments and post-operative care strategies for patients undergoing vagotomy procedures.
- Provides baseline data for future research on vagal nerve modulation of cardiopulmonary systems.