Heavy patients more sensitive to pain after lung resection

  • Majchrzak M & al.
  • Front Pharmacol
  • 01.01.2019

  • von Kelli Whitlock Burton
  • Studien – kurz & knapp
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Takeaway

  • Pain perception after lung cancer surgery was significantly greater in obese patients than in their nonobese counterparts.
  • Effect was observed with video-assisted thoracic surgery (VATS) and open thoracotomy.

Why this matters

  • Prior studies suggest that chronic pain occurs 4 times more frequently in morbidly obese people compared with those who are not obese.

Study design

  • 50 obese and 62 nonobese patients underwent lung cancer surgery.
  • Funding: Russian Academic Excellence project.

Key results

  • Patients who reported severe pain (visual analog scale [VAS], >4) had higher BMI (31.8±5.6 vs 28.8±5.2 kg/m2; P<.01 and a longer length of stay vs days p>
  • Pain intensity immediately after surgery and at discharge was greater in obese patients compared with overweight patients (P<.0001 for both in overweight patients compared with normal weight and underweight greater obese>
  • Pain intensity was greater in obese patients compared with nonobese patients for both VATS and open thoracotomy.
  • Patients with VAS >4 immediately after surgery continued to report severe pain at discharge.

Limitations

  • Retrospective, single-center study.