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Region Hovedstaden - en del af Københavns Universitetshospital
Udgivet

Platelet function in lung cancer patients undergoing lobectomy

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Vis graf over relationer

A growing interest concerns arterial thromboembolic disease in cancer patients. As platelets may be key players in this process, investigation of platelet aggregation in cancer patients is of importance. We aimed to investigate platelet aggregation in patients with lung cancer prior to surgery and during video-assisted thoracoscopic surgery (VATS) lobectomy compared with lobectomy performed through a thoracotomy. We included 93 patients (VATS + low molecular weight heparin (LMWH), n = 32; VATS no LMWH, n = 31; thoracotomy + LMWH, n = 30). Data obtained from 121 healthy individuals were used for comparison prior to surgery. Platelet aggregation was analysed by impedance aggregometry using adenosine diphosphate 6.5 μM (ADPtest) and collagen 3.2 μg/mL (COLtest) as agonists. Prior to surgery, platelet aggregation was significantly increased in both VATS-patients (ADPtest, p < .0001; COLtest, p = .0002) and patients undergoing thoracotomy (ADPtest, p < .0001; COLtest, p < .0001) compared with healthy individuals. Platelet aggregation did not differ between VATS-patients and thoracotomy patients prior to surgery (p-values >.11). At the first postoperative day, VATS-patients demonstrated significantly higher collagen-induced platelet aggregation than preoperatively (p = .001), but the increase in platelet aggregation did not differ significantly between VATS and thoracotomy patients (p-values ≥.24). At the second postoperative day, platelet aggregation was significantly reduced in thoracotomy patients compared with the preoperative level (ADPtest, p = .002; COLtest, p = .05). In conclusion, platelet aggregation was significantly increased in patients with primary lung cancer prior to surgery compared with healthy individuals. At the first postoperative day, platelet aggregation was significantly higher than the preoperative level in VATS-patients; however, this increase did not differ between patient groups.

OriginalsprogEngelsk
TidsskriftScandinavian Journal of Clinical and Laboratory Investigation
Vol/bind79
Udgave nummer7
Sider (fra-til)513-518
Antal sider6
ISSN0036-5513
DOI
StatusUdgivet - nov. 2019

ID: 58306619