The Extent of Cryosurgery Increases the Complication Rate after Hepatic Cryoablation
Although there have been many reports on the use of cryosurgery to ablate hepatic malignancies none have specifically examined the relationship of complication rates to the extent of cryoablation. A retrospective review from January 1997 to May 2002 identified 98 patients treated with hepatic cryoth...
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Veröffentlicht in: | The American surgeon 2003-04, Vol.69 (4), p.317-323 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Although there have been many reports on the use of cryosurgery to ablate hepatic malignancies none have specifically examined the relationship of complication rates to the extent of cryoablation. A retrospective review from January 1997 to May 2002 identified 98 patients treated with hepatic cryotherapy. The extent of the cryosurgery was determined by the total number of lesions (TNL) and total estimated area (TEA) of the lesions from preoperative evaluation by CT scan and intraoperative evaluation by ultrasound. The major complication rate was 11 per cent. The 30-day mortality was 0 per cent, but the late procedure-related mortality was 2 per cent. Increasing the extent of cryotherapy measured by intraoperative ultrasound demonstrated significant increases in the complication rate and length of stay (LOS). With cryoablation of TEA ≥30 cm2 there was a significant increase in the overall complication rate (56% vs 23%; P = 0.003) and LOS (8.8 ± 6.9 vs 6.1 ± 4.2; P = 0.022) compared with TEA |
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ISSN: | 0003-1348 1555-9823 |
DOI: | 10.1177/000313480306900408 |