一位 20 歲患有鐮刀型紅血球貧血症的男性，因劇烈疼痛被送入急診室。他昨天在戶外打籃球且補水不足，導致急性血管阻塞危機（vaso-occlusive crisis），鐮刀化的紅血球阻塞了他關節與背部的微循環，造成組織缺血。護理師應預期執行下列哪一組以助記口訣「H.O.P.」為核心的三項處置？
A 20-year-old male with a history of sickle cell anemia is brought to the emergency department in severe pain. After playing basketball outdoors yesterday with inadequate hydration, he developed an acute vaso-occlusive crisis with sickled red blood cells obstructing microcirculation in his joints and back, causing ischemic tissue injury. Which set of three core interventions, often remembered by the mnemonic 'H.O.P.', should the nurse anticipate?
- AHydration (IV fluids to reduce blood viscosity), Oxygenation (to prevent further sickling), and Pain management (IV opioids such as morphine)補水（靜脈輸液以降低血液黏稠度）、給氧（以防止進一步鐮刀化）和疼痛管理（靜脈鴉片類藥物，如嗎啡）正確答案
- BHemodialysis (to rapidly filter and cleanse the blood), Opiates (for aggressive pain control), and Paracentesis (to drain accumulated abdominal fluid)血液透析、鴉片類藥物和腹腔穿刺術
- CHeparin (high-dose anticoagulation to dissolve the occlusions), Oxygen (high-flow supplementation), and Penicillin (broad-spectrum antibiotic coverage)肝素（高劑量抗凝血）、氧氣和盤尼西林（廣效性抗生素）
- DHypothermia (apply ice packs directly to painful joints), Orthotics (apply rigid immobilizing braces), and Potassium (rapid IV bolus supplementation)低溫（應用冰袋）、矯形器（應用硬式支架）和鉀（靜脈推注）
- A補水（靜脈輸液以降低血液黏稠度）、給氧（以防止進一步鐮刀化）和疼痛管理（靜脈鴉片類藥物，如嗎啡）
核心概念：鐮刀型紅血球貧血症急性血管阻塞危機（Vaso-occlusive crisis, VOC）的處置。 鐮刀型紅血球在脫水（血液黏稠度上升）或低氧狀態下，會由正常的雙凹圓盤形變成鐮刀狀，這些變形的紅血球聚集後阻塞微血管，造成下游組織缺血、疼痛與器官損傷。臨床處置以助記口訣「H.O.P.」為核心： - H = Hydration（水分補充）：使用靜脈輸液（通常為等張溶液）降低血液黏稠度，有助於改善微循環並減少進一步的鐮刀化。這是急性處置的首要步驟。 - O = Oxygenation（氧氣治療）：矯正低血氧，避免缺氧誘發更多紅血球鐮刀化。 - P = Pain management（疼痛控制）：VOC 引起的疼痛通常為中度至重度，需依疼痛程度給予適當的靜脈鴉片類止痛劑（如 morphine 或 hydromorphone），並依醫囑調整劑量。 為何正確答案對：選項 A 完整對應 H.O.P. 的三大處置，是 VOC 急性期照護的標準流程。 為何其他選項錯： - D：低溫會導致血管收縮，加重組織缺血，故冰敷為禁忌；鉀的 IV bolus 與本病無關且具危險性。 - C：抗凝血劑針對的是血小板或凝血因子的問題，鐮刀化是紅血球形態異常，抗凝血劑並非治療機轉。常規高劑量抗生素亦無適應症。 - B：透析、腹部穿刺與本病急性處置無關。 臨床推理：VOC 的核心是改善微循環、避免進一步鐮刀化、緩解缺血性疼痛，故 H.O.P. 為標準處置框架。
- A · 正確答案補水（靜脈輸液以降低血液黏稠度）、給氧（以防止進一步鐮刀化）和疼痛管理（靜脈鴉片類藥物，如嗎啡）
靜脈輸液可降低血液黏稠度，氧氣治療可防止進一步鐮刀化，靜脈鴉片類藥物用於控制缺血性疼痛，共同構成 H.O.P. 標準處置框架。
- B血液透析、鴉片類藥物和腹腔穿刺術
透析與腹部穿刺並非血管阻塞危機急性期的標準處置。
- C肝素（高劑量抗凝血）、氧氣和盤尼西林（廣效性抗生素）
鐮刀型危機源自紅血球形態異常，並非血小板或凝血因子問題，故常規抗凝血劑並非標準治療。
- D低溫（應用冰袋）、矯形器（應用硬式支架）和鉀（靜脈推注）
冷敷會使血管收縮，加重微循環阻塞，故冰袋在血管阻塞危機中為禁忌；常規鉀注射並非適應症。
「HOP (水、氧氣、止痛)」是治療血液科最深層痛苦之鎌刀型貧血的絕世口訣。國外非常偏好這一題，台灣雖然罕見此人種，但也成為了病理學國考的重點常客（多注重輸液）。
English explanation
Option A is correct because acute vaso-occlusive crisis is managed with the three H.O.P. interventions: hydration with intravenous, usually isotonic, fluids to reduce blood viscosity and improve microcirculation; oxygenation to correct hypoxemia and prevent hypoxia from triggering further sickling; and pain management with appropriate intravenous opioids, such as morphine or hydromorphone, for moderate to severe ischemic pain, with doses adjusted as ordered. Dehydration and hypoxia cause abnormally shaped sickled red blood cells to aggregate and obstruct microvessels, producing downstream ischemia, pain, and organ injury, so these measures address the core problem. Option B is incorrect because hemodialysis and paracentesis are unrelated to acute management. Option C is incorrect because anticoagulants target platelets or clotting factors, not the red blood cell shape abnormality, and routine high-dose antibiotics are not indicated. Option D is incorrect because cold causes vasoconstriction and worsens ischemia, ice is contraindicated, and an intravenous potassium bolus is unrelated and dangerous.
最近修訂：2026-10-05