Duke活動状態指数（DASI）
用途When to use: functional capacity / some preoperative discussions without CPET.
層別<4 METs often flags limited capacity in perioperative conversations.
限界When not to use: as replacement for indicated CPET/stress testing. · Pitfall: over-reporting unusual peak efforts. · Language/culture may affect item interpretation.
出典Hlatky MA et al. DASI
当直の次の一手
スコア後：シーン連算・隣接スコア・対応パスへ。ローカル参照のみ、HIS書き込みなし。
方法論 · 代入例・ガイドライン要点・詳細
適用場面
When to use: functional capacity / some preoperative discussions without CPET.
入力項目
- Take care of self (eat, dress, bathe) · 選択
- Walk indoors · 選択
- Walk 1–2 blocks on level ground · 選択
- Climb a flight of stairs / walk up a hill · 選択
- Run a short distance · 選択
- Light housework (dusting, dishes) · 選択
- Moderate housework (vacuuming, carrying groceries) · 選択
- Heavy housework (scrubbing floors, moving furniture) · 選択
- Yardwork (raking, weeding, mowing) · 選択
- Have sexual relations · 選択
- Moderate recreation (golf, bowling, dancing, doubles tennis) · 選択
- Strenuous sports (swimming, singles tennis, football, basketball, skiing) · 選択
計算方法と公式
Weighted yes/no sum (max 58.2); VO₂=(0.43×DASI)+9.6; METs=VO₂/3.5.
Answer all 12 activity items honestly for typical recent capacity.
計算例（数値代入）
以下の数値は本ツールの入力欄に定義された例示値であり、本ページの数式でサーバー側で実際に計算したものです。計算過程を素早く確認できます。代入方法の例示のみで、臨床上の助言ではなく、実在する症例でもありません。
| Take care of self (eat, dress, bathe) | No (0) |
|---|---|
| Walk indoors | No (0) |
| Walk 1–2 blocks on level ground | No (0) |
| Climb a flight of stairs / walk up a hill | No (0) |
| Run a short distance | No (0) |
| Light housework (dusting, dishes) | No (0) |
| Moderate housework (vacuuming, carrying groceries) | No (0) |
| Heavy housework (scrubbing floors, moving furniture) | No (0) |
| Yardwork (raking, weeding, mowing) | No (0) |
| Have sexual relations | No (0) |
| Moderate recreation (golf, bowling, dancing, doubles tennis) | No (0) |
| Strenuous sports (swimming, singles tennis, football, basketball, skiing) | No (0) |
→DASI0.00/58.2
- VO₂ peak est.：9.6 mL/kg/min
- METs：2.7
- Cue：<4 METs — low functional capacity cue (perioperative risk discussions)
| Take care of self (eat, dress, bathe) | Yes (+2.75) |
|---|---|
| Walk indoors | Yes (+1.75) |
| Walk 1–2 blocks on level ground | Yes (+2.75) |
| Climb a flight of stairs / walk up a hill | Yes (+5.50) |
| Run a short distance | Yes (+8.00) |
| Light housework (dusting, dishes) | Yes (+2.70) |
| Moderate housework (vacuuming, carrying groceries) | Yes (+3.50) |
| Heavy housework (scrubbing floors, moving furniture) | Yes (+8.00) |
| Yardwork (raking, weeding, mowing) | Yes (+4.50) |
| Have sexual relations | Yes (+5.25) |
| Moderate recreation (golf, bowling, dancing, doubles tennis) | Yes (+6.00) |
| Strenuous sports (swimming, singles tennis, football, basketball, skiing) | Yes (+7.50) |
→DASI58.20/58.2
- VO₂ peak est.：34.6 mL/kg/min
- METs：9.9
- Cue：>=7 METs — higher capacity band
結果の判読と層別
<4 METs often flags limited capacity in perioperative conversations.
ガイドライン要点（独自整理）
- 12 weighted items.
- METs from VO₂.
- Next: risk discussion.
以上は該当ガイドラインの要点を本サイトが独自に整理したものであり、原文の引用ではありません。
注意点と限界
- When not to use: as replacement for indicated CPET/stress testing.
- Pitfall: over-reporting unusual peak efforts.
- Language/culture may affect item interpretation.
照合と出典 · 検証可能なガバナンス
参考ガイドラインと出典
- Hlatky MA et al. DASI
ガイドライン全文の著作権は各学会・出版社に帰属します。 · データセット整理日 2026-10-08
よくある質問
よくある質問
- Duke活動状態指数（DASI）は患者データをアップロードしますか？どこで計算しますか？
- 計算はブラウザ内でローカルに行われ、入力と結果はサーバーに送信されません。免許を有する医師向けであり、病歴・検査・施設プロトコルと合わせて解釈すること。診断や処方の代替ではありません。
- Duke活動状態指数（DASI）は実際にどう計算しますか？計算例を示せますか？
- 代入値: Take care of self (eat, dress, bathe) No (0)、Walk indoors No (0)、Walk 1–2 blocks on level ground No (0)、Climb a flight of stairs / walk up a hill No (0)、Run a short distance No (0)、Light housework (dusting, dishes) No (0)、Moderate housework (vacuuming, carrying groceries) No (0)、Heavy housework (scrubbing floors, moving furniture) No (0)… → 結果: DASI 0.00 /58.2（VO₂ peak est.: 9.6 mL/kg/min、METs: 2.7、Cue: <4 METs — low functional capacity cue (perioperative risk discussions)） 代入値: Take care of self (eat, dress, bathe) Yes (+2.75)、Walk indoors Yes (+1.75)、Walk 1–2 blocks on level ground Yes (+2.75)、Climb a flight of stairs / walk up a hill Yes (+5.50)、Run a short distance Yes (+8.00)、Light housework (dusting, dishes) Yes (+2.70)、Moderate housework (vacuuming, carrying groceries) Yes (+3.50)、Heavy housework (scrubbing floors, moving furniture) Yes (+8.00)… → 結果: DASI 58.20 /58.2（VO₂ peak est.: 34.6 mL/kg/min、METs: 9.9、Cue: >=7 METs — higher capacity band）
照合手順
照合と根拠
本ツールの数式と計算方法は本ページに明示しており、公開のうえ逐一照合できます。数式・係数・閾値は上記の権威ある情報源に基づき照合しています。 臨床ツール一覧 →