Objectives: To study if four cycles of remote ischaemic preconditioning could offer protection againstcontrast induced nephropathy (CIN) and post procedural renal dysfunction in high risk patientsundergoing percutaneous coronary intervention (PCI).Methods: This was a prospective single blind randomised sham controlled trial where patientsundergoing coronary angioplasty with stage III chronic kidney disease were randomised into shampreconditioning and remote ischaemic preconditioning. The primary outcome was the reduction in theincidence of CIN. The secondary outcomes were the maximum improvement in eGFR, maximumreduction in serum creatinine and composite of requirement of haemodialysis, death andrehospitalisation for heart failure up to 6 weeks after PCI.Results: Eleven out of fifty patients in the study group developed CIN (22%) compared to eighteen out ofthe fifty control patients (36%) {p = 0.123}. There was a statistically significant improvement in the postprocedure creatinine values at 24 h {p = 0.013}, 48 h {p = 0.015}, 2 weeks {p = 0.003}, 6 weeks {p = 0.003}and post procedure glomerular filtration rate (eGFR) values at 24 h {p = 0.026}, 48 h {p = 0.044}, 2 weeks{p = 0.015} and 6 weeks {p = 0.011} in study group compared to control group. The secondary outcomecomposite of requirement of haemodialysis, death and rehospitalisation for heart failure was notstatistically significant {p: 0.646}.Conclusion: RIPC does not result in significant reduction of CIN. However RIPC helps in the prevention ofpost procedural worsening in eGFR and serum creatinine even up to 6 weeks.
Objectives: To study if four cycles of remote ischaemic preconditioning could offer protection against<br>contrast induced nephropathy (CIN) and post procedural renal dysfunction in high risk patients<br>undergoing percutaneous coronary intervention (PCI).<br>Methods: This was a prospective single blind randomised sham controlled trial where patients<br>undergoing coronary angioplasty with stage III chronic kidney disease were randomised into sham<br>preconditioning and remote ischaemic preconditioning. The primary outcome was the reduction in the<br>incidence of CIN. The secondary outcomes were the maximum improvement in eGFR, maximum<br>reduction in serum creatinine and composite of requirement of haemodialysis, death and<br>rehospitalisation for heart failure up to 6 weeks after PCI.<br>Results: Eleven out of fifty patients in the study group developed CIN (22%) compared to eighteen out of<br>the fifty control patients (36%) {p = 0.123}. There was a statistically significant improvement in the post<br>procedure creatinine values at 24 h {p = 0.013}, 48 h {p = 0.015}, 2 weeks {p = 0.003}, 6 weeks {p = 0.003}<br>and post procedure glomerular filtration rate (eGFR) values at 24 h {p = 0.026}, 48 h {p = 0.044}, 2 weeks<br>{p = 0.015} and 6 weeks {p = 0.011} in study group compared to control group. The secondary outcome<br>composite of requirement of haemodialysis, death and rehospitalisation for heart failure was not<br>statistically significant {p: 0.646}.<br>Conclusion: RIPC does not result in significant reduction of CIN. However RIPC helps in the prevention of<br>post procedural worsening in eGFR and serum creatinine even up to 6 weeks.
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