Extracorporeal Shock Wave Therapy Reverses Ischemia-Related Left Ventricular Dysfunction and Remodeling: Molecular-Cellular and Functional Assessment
2011

Shock Wave Therapy Improves Heart Function in Ischemic Heart Disease

Sample size: 12 publication Evidence: moderate

Author Information

Author(s): Fu Morgan, Sun Cheuk-Kwan, Lin Yu-Chun, Wang Ching-Jen, Wu Chiung-Jen, Ko Sheung-Fat, Chua Sarah, Sheu Jiunn-Jye, Chiang Chiang-Hua, Shao Pei-Lin, Leu Steve, Yip Hon-Kan

Primary Institution: Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan

Hypothesis

Extracorporeal shock wave (ECSW) therapy may be a therapeutic alternative for patients with diffuse obstructive coronary artery disease unsuitable for catheter-based or surgical intervention.

Conclusion

ECSW therapy effectively reversed ischemia-elicited left ventricular dysfunction and remodeling through enhancing angiogenesis and attenuating inflammation and oxidative stress.

Supporting Evidence

  • Echocardiography showed higher left ventricular ejection fraction in the ECSW group.
  • Immunofluorescence staining revealed increased numbers of endothelial cells in the ECSW group.
  • Lower levels of oxidative stress markers were found in the ECSW-treated hearts.
  • Significant reductions in apoptosis were observed in the ECSW group.

Takeaway

Doctors used sound waves to help sick hearts get better, and it worked by helping new blood vessels grow and reducing inflammation.

Methodology

The study involved inducing myocardial ischemia in male mini-pigs and comparing the effects of ECSW therapy on heart function and structure.

Limitations

The sample size was relatively small, and the optimal dosage for maximal therapeutic effects is still unknown.

Participant Demographics

Male mini-pigs weighing 16–18 kg.

Statistical Information

P-Value

p<0.035

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0024342

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