๋งŒ์„ฑ์ฝฉํŒฅ๋ณ‘ ๋™๋ฐ˜ ๊ธ‰์„ฑ์‹ ์†์ƒ ์ˆ˜์•ก ๊ด€๋ฆฌ / Fluid management in AKI on CKD

์ •์˜

AKI on CKD ํ™˜์ž์—์„œ ์ˆ˜์•ก์€ ์ž๋™ ์ฒ˜๋ฐฉ์ด ์•„๋‹ˆ๋ผ volume depletion ๋˜๋Š” prerenal AKI๊ฐ€ ์˜์‹ฌ๋  ๋•Œ ์„ ํƒ์ ์œผ๋กœ ์‹œํ–‰ํ•œ๋‹ค.

์ž„์ƒ ํ•ต์‹ฌ

CKD, ์‹ฌ๋ถ€์ „, ๋ถ€์ข…, ํ์šธํ˜ˆ์ด ์žˆ์œผ๋ฉด fluid overload๋กœ AKI์™€ ํ˜ธํก๊ณค๋ž€์ด ์•…ํ™”๋  ์ˆ˜ ์žˆ๋‹ค. ๋จผ์ € hypovolemic, euvolemic/๋ถˆํ™•์‹ค, hypervolemic ์ƒํƒœ๋ฅผ ๊ตฌ๋ถ„ํ•œ๋‹ค. ์ˆ˜์•ก ์ „ BP, HR, ๊ตฌํ† /์„ค์‚ฌ, ์„ญ์ทจ์ €ํ•˜, ์ด๋‡จ์ œ, ACEi/ARB/NSAIDs, ๋ฐœ์—ด/ํŒจํ˜ˆ์ฆ ์—ฌ๋ถ€๋ฅผ ํ™•์ธํ•œ๋‹ค. JVP, edema, lung ultrasound B-lines, IVC, CXR, urine output์„ ํ•จ๊ป˜ ํ‰๊ฐ€ํ•œ๋‹ค.

์ง„๋‹จ

Hypovolemia๋Š” ๊ตฌํ† /์„ค์‚ฌ, ์„ญ์ทจ์ €ํ•˜, ์ด๋‡จ์ œ ๊ณผ๋‹ค, dry mucosa, orthostatic hypotension, tachycardia, low JVP/IVC collapse, BUN/Cr ์ƒ์Šน ํŒจํ„ด, ๋†์ถ•๋‡จ๋กœ ์˜์‹ฌํ•œ๋‹ค. Pulmonary edema, crackle/B-line, dyspnea, ์‚ฐ์†Œ์š”๊ตฌ๋Ÿ‰, HF/๊ฐ„๊ฒฝํ™”/nephrotic syndrome์ด ์žˆ์œผ๋ฉด hypervolemic AKI ๋˜๋Š” cardiorenal syndrome์„ ๊ณ ๋ คํ•œ๋‹ค.

์น˜๋ฃŒ

ํƒˆ์ˆ˜๊ฐ€ ๋ช…ํ™•ํ•˜๊ณ  ํ˜ธํก์ด ์•ˆ์ •์ ์ด๋ฉด isotonic crystalloid 250โ€“500 mL bolus ๋˜๋Š” 60โ€“100 mL/hr๋กœ ์‹œ์ž‘ ํ›„ ์žฌํ‰๊ฐ€ํ•œ๋‹ค. CKD/HF/๋…ธ์ธ/๋ถ€์ข… ์œ„ํ—˜๊ตฐ์€ 250 mL aliquot ๋˜๋Š” 40โ€“60 mL/hr์ฒ˜๋Ÿผ ๋‚ฎ๊ฒŒ ์‹œ์ž‘ํ•œ๋‹ค. 2โ€“4์‹œ๊ฐ„๋งˆ๋‹ค lung sound, SpO2, JVP, edema, urine output, BP๋ฅผ ์žฌํ‰๊ฐ€ํ•œ๋‹ค. ํ์šธํ˜ˆ์ด ์žˆ์œผ๋ฉด hydration๋ณด๋‹ค fluid restriction, diuretic, ์›์ธ ์น˜๋ฃŒ๋ฅผ ์šฐ์„ ํ•œ๋‹ค. K, bicarbonate, uremic symptom, refractory overload๊ฐ€ ์žˆ์œผ๋ฉด nephrology/dialysis indication์„ ํ‰๊ฐ€ํ•œ๋‹ค.

์ถœ์ฒ˜

KDIGO AKI; AAFP AKI review; NICE IV fluids CG174.

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