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Abstract Objective To compare different processing methods of generator pocket in pacemaker replacement. Methods A total of 96 patients underwent pacemaker replacement procedure. Of them, 50 cases (mean age 72±6.2 years, 8.3±2.6years of pacemaker implantation) had a new generator implanted in an old pocket (old pocket group), 46 cases (mean age 72±6.2years, 8.7±2.2years of implantation time) had a new generator implanted in situ after excision of the old pocket with good haemostasis(new pocket group). The processing time for pocket was recorded. The incidence of pocket hematoma and infection and the patient satisfaction during 6 month fol ow-up were evaluated. Results The processing time for pocket was(2.6±1.6)min in old pocket group and (3.4±1.3)min in new pocket group. The incidences of pocket hematoma and infection were 12.0%(6/50) and 4.0%(2/50) in old pocket group, significantly higher than 6.5%(3/50) and 0%(0/50) in new pocket group (P<0.05). Fever occurred more in old pocket group than in new pocket group (20.0%vs 8.7%, P<0.05). The patient satisfaction was significantly higher in new pocket group than in old pocket group (93.5% vs 72.0%, P<0.05). Conclusion During pacemaker replacement procedure, routine excision of old generator pocket may be benefit to reduce pocket hematoma and infection and improve patient satisfaction.
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