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B. Pathophysiology

B1. Pathophysiology

(1) Deep vein (especially femoral, femoral, iliofemoral vein)์˜ valve์—์„œ blood clot ๋ฐœ์ƒ
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-> (2) Venous blood flow obstruction์ด ๋ฐœ์ƒํ•˜์—ฌ Post-thrombotic syndrome (varicose vein, pain, swelling, skin hyperpigmentation, ulcer) ์ด ๋ฐœ์ƒํ•จ
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-> (3) ์ด thrombi๊ฐ€ Pulmonary artery๋กœ ์ด๋™ํ•˜์—ฌ ์•ฝ 20% ์ด์ƒ ํํ˜ˆ๊ด€ ๋ง‰ํžˆ๋ฉด ์ฆ์ƒ์ด ๋ฐœ์ƒํ•˜๊ธฐ ์‹œ์ž‘ํ•จ
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-> (4) Thrombos burden์ด ์ฆ๊ฐ€ํ•˜๋ฉดย Pulmonary arterial pressure ์ƒ์Šน
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-> (5) Rt. side heart dilatation and myocardial injury ๋ฐœ์ƒ (ProBNP/Troponin , Echo/CT ์ƒ RV dilatation) โ†“
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-> (6) Circulatory shock ๋ฐ ์‚ฌ๋ง ๊ฐ€๋Šฅ์„ฑ ์ฆ๊ฐ€.
1.
Risk factors
(1) ํก์—ฐ์€ ์•” ๋“ฑ์˜ ์œ„ํ—˜์„ฑ์„ ์ฆ๊ฐ€์‹œํ‚ค๋ฉฐ ๋น„๋งŒ ๋ฐ ๊ฒฝ๊ตฌ์šฉ ํ”ผ์ž„์ œ ๋“ฑ๊ณผ ์‹œ๋„ˆ์ง€๋ฅผ ์ผ์œผํ‚ค์ง€๋งŒ ์ž์ฒด๋กœ VTE์˜ ๋…๋ฆฝ์ ์ธ risk factor .
Table 56-1