JP2024505335A - 脊椎神経調節の候補の予測 - Google Patents
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Abstract
Description
本出願は、その内容全体が参照により本明細書に組み込まれる、2020年12月22日に出願された米国仮出願第63/129,374号の優先権を主張する。
背部痛(例えば、慢性腰痛)は、椎骨終板欠損又は変性、Modic変化などの骨髄強度変化、靭帯の捻挫、椎間関節痛、筋緊張、筋萎縮、脊髄腱損傷、脊髄神経圧迫、椎間板ヘルニア、椎間板すべり、変性椎間板疾患、仙腸関節機能不全、細菌又は真菌感染症、椎骨骨折、骨粗鬆症、及び/又は脊椎腫瘍を含む多くの原因によって引き起こされ得る。臨床医が、1つ以上の撮像モダリティから得られた画像を視覚的に検査することによって、及び/又は主観的な患者の疼痛スコア(例えば、Oswestry障害指数(「ODI」)スコア又は視覚アナログスコア(「VAS」)疼痛スコア、生活の質の尺度、患者報告の転帰の尺度)をレビューすることによって、信頼性及び信頼性の高い精度で背部痛の正確な原因を識別することは困難であり得る。結果として、背部痛を有する患者(例えば、慢性腰痛)は、特定の処置が実際の背部痛の原因を効果的に治療せず、又は背部痛の全ての実際の原因を治療しないので、患者の背部痛をうまく軽減しない特定の処置を用いて治療されることがある。
図1は、臨床医にQPCDシステム120へのアクセスを提供して、1つ以上の椎体又は椎骨終板に起因する疼痛を有する可能性が高く、したがってその特定の背部痛源(例えば、慢性腰痛)を標的とする脊髄神経調節処置(例えば、Relievant Medsystems,Inc.によって商業的に提供されているIntracept(登録商標)の基底脊椎神経アブレーション処置などの基底脊椎神経アブレーション処置)に有利に応答する可能性が高い患者候補を決定するためのコンピューティング環境100の実施形態を示す。一実施形態では、QPCDシステム120は、少なくとも部分的に、1つ以上の撮像モダリティ(例えば、MRI、CT、SPECT、X線など)を使用して得られた患者の脊椎の少なくとも一部の画像から識別された複数の指標を解析することに基づいて、脊髄神経調節処置(例えば、基底脊椎神経アブレーション処置)に有利に応答する患者の可能性の定量的評価(例えば、スコア、値、又は他の出力)を決定する。コンピューティング環境100は、QPCDシステム120にアクセスすることができる臨床医システム108を含むことができ、臨床医システムは、特定の原因(例えば、1つ以上の椎骨終板又は椎体)に起因する背部痛の患者の可能性、したがって特定の脊髄神経調節処置(例えば、基底脊椎神経アブレーション処置)に患者が有利に応答する可能性を決定するための1つ以上のモジュールを含むことができる。
図2は、患者候補が特定の背部痛源(例えば、1つ以上の椎体又は椎骨終板に起因する背部痛)を標的とすることを意図した特定の脊髄神経調節処置(例えば、基底脊椎神経アブレーション処置)に有利に応答する可能性の客観的又は定量的予測を生成するためのプロセス200の実施形態を示す。客観的又は定量的な予測は、数値、グラフィック、又はテキストの指標(又はそれらの組み合わせ)であり得る。例えば、客観的又は定量的予測は、パーセンテージ、スケール上のスコア、バイナリYes又はNo、及び/又は色を含むことができる。定量的予測プロセス200は、前述のQPCDシステム120によって実施することができる。例示を目的として、定量的予測プロセス200は、図1のコンピューティング環境100の構成要素によって実施されるものとして説明される。プロセス200全体又はプロセス200の一部は、1つ以上のハードウェアプロセッサによって非一時的コンピュータ可読媒体に記憶された記憶済プログラム命令を実行することによって自動化することができる。
幾つかの実施形態によれば、本明細書に記載のプロセスの1つ以上のステップは、機械学習技術を使用して(例えば、ディープラーニングアルゴリズムを含む訓練済人工ニューラルネットワークを使用して)実行することができる。機械学習又は深層学習アルゴリズムは、教師あり又は教師なしの訓練を使用して訓練することができる。本明細書に開示されるプロセスは、前述のように、機械学習モデリングを信号処理技術と共に使用して、画像を解析して背部痛の指標を識別し、定量的予測又はスコアを決定することができる。機械学習の使用は、予測の信頼性又は精度を有利に高めることができ、特定の脊髄神経調節処置(例えば、基底脊椎神経アブレーション処置)に有利に応答する可能性が高い患者を識別する時間を短縮し、ヒューマンエラーに基づくフォールスポジティブ予測を低減することができる。幾つかの実施形態によれば、背部痛のない健康な被検体の大量の画像及び背部痛を有する患者の画像に機械学習アルゴリズムを適用することによって、尤度脊髄神経調節処置(例えば、基底脊椎神経アブレーション処置)の特定の定量的予測に有利に応答する可能性が高い患者候補の確実に正確で極めて迅速な識別が可能になり得る。
本明細書に記載のプロセスのいずれもまた、特定の脊髄神経調節処置(例えば、基底脊椎神経アブレーション処置)を行うことによって患者を治療することを含み得る。特定の脊髄神経調節処置(例えば、基底脊椎神経アブレーション処置)を実施するために使用される治療装置(例えば、治療プローブ)は、組織(例えば、神経、腫瘍、骨組織)を調節することができる任意の装置であり得る。エネルギーを送達することができる任意のエネルギー送達装置を使用することができる(例えば、高周波エネルギー送達装置、マイクロ波エネルギー送達装置、レーザー装置、赤外線エネルギー装置、抵抗加熱装置、他の電磁エネルギー送達装置、超音波エネルギー送達装置など)。治療装置は、RFエネルギー送出装置であってもよい。RFエネルギー送出装置は、装置の遠位端部に双極電極対を含むことができる。バイポーラ対の電極は、アクティブ先端電極と、アクティブ先端電極から離間したリターンリング電極とを含むことができる。RFエネルギー送出装置は、エネルギー送出装置のシャフトの外面に配置された、又はシャフト内に埋め込まれた1つ以上の温度センサ(例えば、熱電対、サーミスタ)を含むことができる。幾つかの実施形態によれば、RFエネルギー送出装置は、内部循環冷却を使用しなくてもよい。
幾つかの実装形態では、システムは、(複数の特徴ではなく)単一の特徴として存在する様々な特徴を含む。例えば、一実施形態では、システムは、単一の高周波発生器、単一のスタイレットを有する単一のイントロデューサカニューレ、単一の高周波エネルギー送達装置又はプローブ、及び単一の双極電極対を含む。単一の熱電対(又は温度を測定するための他の手段)も含まれてもよい。代替の実施形態では、複数の特徴又は構成要素が提供される。
Claims (76)
- 特定の被検体が背部痛を治療するために基底脊椎神経アブレーションに有利に応答する可能性を定量的に予測する方法であって、
前記特定の被検体の脊椎の少なくとも一部の1つ以上の磁気共鳴画像(MRI)に基づいて背部痛の複数の指標を識別するステップであって、(i)1つ以上の骨髄強度変化を識別するステップと、(ii)1つ以上の椎骨終板欠損又は椎骨終板変性の特徴を識別するステップとを少なくとも含む、ステップと、
識別された複数の指標を定量化するステップと、
1つ以上のプロセッサを用いて、前記定量化に基づいて、前記特定の被検体が基底脊椎神経アブレーションに有利に応答する可能性を示す客観的スコアを計算するステップと、
を含む方法。 - 識別された複数の指標を定量化する前記ステップは、
前記骨髄強度変化及び/又は椎骨終板欠損の量の決定するステップ、
前記骨髄強度変化及び/又は椎骨終板欠損の程度のレベルを決定するステップ、及び
識別された脂肪分率変化を定量化するステップ、
のうちの1つ以上を含む、請求項1から3のいずれか一項に記載の方法。 - 背部痛の複数の指標を識別する前記ステップは、訓練済ニューラルネットワークを前記1つ以上のMRIに適用して、背部痛の前記複数の指標を自動的に識別するステップを含む、請求項1に記載の方法。
- 前記MRIの少なくとも幾つかは、T1強調MRI、T2強調MRI及び/又は脂肪抑制MRIを含む、請求項1に記載の方法。
- 前記MRIの少なくとも幾つかは、超短エコー到達時間MRI技術を使用して生成される、請求項1から4のいずれか一項に記載の方法。
- 前記MRIの少なくとも幾つかは、最小二乗推定MRI技術を使用して生成される、請求項1から4のいずれか一項に記載の方法。
- 1つ以上の骨髄強度変化を識別する前記ステップは、前記1つ以上の骨髄強度変化を1型Modic変化又は2型Modic変化のいずれかとして識別するステップを含む、請求項1から4のいずれか一項に記載の方法。
- 1つ以上の椎骨終板欠損又は椎骨終板変性の特徴を識別する前記ステップは、
前記椎骨終板の正常の連続的な内張りに対する不規則性又は逸脱を識別するステップ、
椎骨終板の正常な輪郭プロファイルからの逸脱を識別するステップ、
脂肪分率変化を識別するステップ、及び
椎骨終板欠損の1つ以上の表現型サブタイプを識別するステップ、
のうちの1つ以上を含む、請求項1から4のいずれか一項に記載の方法。 - 背部痛の1つ以上の追加の指標に基づいて前記客観的スコアの信頼性レベルを決定するステップを更に含む、請求項1から4のいずれか一項に記載の方法。
- 前記1つ以上の追加の指標は、
多裂筋特性の変化、
単一光子放出コンピュータ断層撮影画像における骨代謝回転、及び
前記特定の被検体について得られた疼痛スコア、
のうちの1つ以上を含む、請求項9に記載の方法。 - 機械学習アルゴリズムを適用することによって実行される、請求項1に記載の方法。
- 前記客観的スコアの出力をディスプレイに表示するステップを更に含む、請求項1から4のいずれか一項に記載の方法。
- 前記客観的スコアが治療の推奨を生成するために使用される、請求項1から4のいずれか一項に記載の方法。
- 前記客観的スコアが所定の閾値を上回っている場合、前記特定の被検体に対して基底脊椎神経アブレーション処置を実施するステップを更に含む、請求項1から4のいずれか一項に記載の方法。
- 前記基底脊椎神経アブレーション処置を実施する前記ステップは、前記基底脊椎神経をアブレーションするのに十分な熱処理用量を適用するステップを含む、請求項14に記載の方法。
- 特定の被検体が背部痛を治療するために基底脊椎神経アブレーションに有利に応答する可能性を定量的に予測するコンピュータ実装方法であって、
前記特定の被検体の脊椎の少なくとも一部の1つ以上の磁気共鳴画像(MRI)を受信するステップと、
前記1つ以上のMRIに前処理撮像技術を適用するステップと、
前記1つ以上のMRIから特徴を抽出して、背部痛の複数の指標を識別するステップであって、
前記複数の指標が、(i)骨髄強度変化及び(ii)椎骨終板欠損又は椎骨終板変性の特徴のうちの少なくとも1つを含む、ステップと、
前記抽出に基づいて前記特定の被検体が基底脊椎神経アブレーションに有利に応答する可能性を示す客観的スコアを決定するステップと、
を含むコンピュータ実装方法。 - 前記抽出された特徴に1つ以上の規則を適用して信頼性レベルを生成するステップを更に含む、請求項16に記載のコンピュータ実装方法。
- 前記1つ以上の規則が1つ以上の追加の指標に基づく、請求項17に記載のコンピュータ実装方法。
- 前記1つ以上の追加の指標は、
多裂筋特性の変化、
SPECT画像における骨代謝回転、及び
前記特定の被検体について得られた疼痛スコア、
のうちの1つ以上を含む、請求項18に記載のコンピュータ実装方法。 - 背部痛の前記識別された複数の指標を定量化するステップを更に含み、前記識別された複数の指標を定量化する前記ステップは、
前記骨髄強度変化及び/又は椎骨終板欠損の量を決定するステップ、
前記骨髄強度変化及び/又は椎骨終板欠損の程度のレベルを決定するステップ、及び
識別された脂肪分率変化を定量化するステップ、
のうちの1つ以上を含む、請求項16に記載のコンピュータ実装方法。 - 前記背部痛が慢性腰痛である、請求項16に記載のコンピュータ実装方法。
- 前記方法の少なくとも一部が機械学習アルゴリズムの適用によって実行される、請求項16から21のいずれか一項に記載のコンピュータ実装方法。
- 前記1つ以上のMRIから特徴を抽出して背部痛の前記複数の指標を識別する前記ステップは、訓練済ニューラルネットワークを前記1つ以上のMRIに適用して背部痛の前記複数の指標を自動的に識別するステップを含む、請求項16から21のいずれか一項に記載のコンピュータ実装方法。
- 前記客観的スコアの出力をディスプレイに表示するステップを更に含む、請求項16から21のいずれか一項に記載のコンピュータ実装方法。
- 前記複数の指標は、(i)骨髄強度変化及び(ii)椎骨終板欠損又は椎骨終板変性の特徴の両方を含む、請求項16から21のいずれか一項に記載のコンピュータ実装方法。
- 前記客観的スコアは、治療の推奨を生成するために使用される、請求項16から21のいずれか一項に記載のコンピュータ実装方法。
- 特定の被検体が背部痛を治療するために基底脊椎神経アブレーションに有利に応答する可能性を定量的に予測するコンピュータ実装方法であって、
前記特定の被検体の脊椎の少なくとも一部の1つ以上の画像を受信するステップと、
前記1つ以上の画像に前処理撮像技術を適用するステップと、
前記1つ以上の画像から特徴を抽出して、背部痛の複数の指標を識別するステップであって、
前記複数の指標が、(i)骨髄強度変化及び(ii)椎骨終板欠損又は椎骨終板変性の特徴のうちの少なくとも1つを含む、ステップと、
前記抽出に基づいて前記特定の被検体が基底脊椎神経アブレーションに有利に応答する可能性を示す客観的スコアを決定するステップと、
を含むコンピュータ実装方法。 - 背部痛の前記識別された複数の指標を定量化するステップを更に含み、前記識別された複数の指標を定量化する前記ステップは、
前記骨髄強度変化及び/又は椎骨終板欠損の量を決定するステップ、
前記骨髄強度変化及び/又は椎骨終板欠損の程度のレベルを決定するステップ、及び
識別された脂肪分率変化を定量化するステップ、
のうちの1つ以上を含む、請求項27に記載のコンピュータ実装方法。 - 前記背部痛が慢性腰痛である、請求項27に記載のコンピュータ実装方法。
- 前記抽出された特徴に1つ以上の規則を適用して信頼性レベルを生成するステップを更に含む、請求項27に記載のコンピュータ実装方法。
- 前記1つ以上の規則が1つ以上の追加の指標に基づく、請求項30に記載のコンピュータ実装方法。
- 前記1つ以上の追加の指標は、
多裂筋特性の変化、
SPECT画像における骨代謝回転、及び
前記特定の被検体について得られた疼痛スコア、
のうちの1つ以上を含む、請求項31に記載のコンピュータ実装方法。 - 客観的スコアを決定する前記ステップは、前記複数の指標を定量化するステップを含む、請求項27から32のいずれか一項に記載のコンピュータ実装方法。
- 前記方法の少なくとも一部が機械学習アルゴリズムの適用によって実行される、請求項27から32のいずれか一項に記載のコンピュータ実装方法。
- 前記客観的スコアの出力をディスプレイに表示するステップを更に含む、請求項27から32のいずれか一項に記載のコンピュータ実装方法。
- 前記1つ以上の画像から特徴を抽出して背部痛の前記複数の指標を識別する前記ステップは、訓練済ニューラルネットワークを前記1つ以上の画像に適用して背部痛の前記複数の指標を自動的に識別するステップを含む、請求項27から32のいずれか一項に記載のコンピュータ実装方法。
- 前記1つ以上の画像は、磁気共鳴画像、コンピュータ断層撮影画像、X線画像、及びSPECT画像のうちの1つ以上を含む、請求項27から32のいずれか一項に記載のコンピュータ実装方法。
- 特定の被検体が背部痛を治療するために基底脊椎神経アブレーションに有利に応答する可能性を定量的に予測するコンピュータ実装方法であって、
前記特定の被検体の脊椎の少なくとも一部の1つ以上の画像を受信するステップと、
前記1つ以上の画像に前処理撮像技術を適用するステップと、
前記1つ以上の画像から特徴を抽出して、背部痛の複数の指標を識別するステップと、
前記抽出に基づいて、前記特定の被検体が基底脊椎神経アブレーションに有利に応答する可能性を示す客観的スコアを決定するステップと、
を含むコンピュータ実装方法。 - 前記複数の指標は、(i)骨髄強度変化及び(ii)椎骨終板欠損又は椎骨終板変性の特徴のうちの少なくとも一方を含む、請求項38に記載のコンピュータ実装方法。
- 前記複数の指標は、(i)骨髄強度変化及び(ii)椎骨終板欠損又は椎骨終板変性の特徴の両方を含む、請求項38に記載のコンピュータ実装方法。
- 前記1つ以上の画像から特徴を抽出して背部痛の前記複数の指標を識別する前記ステップは、訓練済ニューラルネットワークを前記1つ以上の画像に適用して背部痛の前記複数の指標を自動的に識別するステップを含む、請求項38から40のいずれか一項に記載のコンピュータ実装方法。
- 前記1つ以上の画像は、以下のイメージングモダリティ、すなわち、磁気共鳴イメージング(「MRI」)、超短エコー時間(「UTE」)MRIシーケンスイメージング、エコー非対称性及び最小二乗推定による水及び脂肪の反復分解(「IDEAL」)MRIシーケンスイメージング、高速スピンエコーMRIシーケンスイメージング、コンピュータ断層撮影法(「CT」)イメージング、陽電子放出断層撮影法(「PET」)骨イメージング、X線イメージング、及び蛍光透視法のうちの1つ以上から得られる画像を含む、請求項38から40のいずれか一項に記載のコンピュータ実装方法。
- 客観的スコアを決定する前記ステップは、前記複数の指標の範囲に基づいて前記複数の指標を定量化するステップを含む、請求項38に記載のコンピュータ実装方法。
- 前記範囲は、量、重大度、及び/又は空間的評価を含み得る、請求項43に記載のコンピュータ実装方法。
- 前記複数の指標は、
多裂筋特性の変化、
SPECT画像における骨代謝回転、及び
前記特定の被検体について得られた疼痛スコア
のうちの1つ以上を更に含む、請求項38から40のいずれか一項に記載のコンピュータ実装方法。 - 前記方法の少なくとも一部が機械学習アルゴリズムの適用によって実行される、請求項38から40のいずれか一項に記載のコンピュータ実装方法。
- 前記客観的スコアの出力をディスプレイに表示するステップを更に含む、請求項38から40のいずれか一項に記載のコンピュータ実装方法。
- 特定の被検体が慢性腰痛を治療するために基底脊椎神経アブレーションに有利に応答する可能性を定量的に予測するコンピュータ実装方法であって、
特定の被検体の脊椎の少なくとも1つの腰仙骨領域の1つ以上の磁気共鳴画像(MRI)を受信するステップと、
特徴検出のために前記1つ以上のMRIの均一性を与えるべく1つ以上のMRIに前処理撮像技術を適用するステップと、
前記1つ以上のMRIから特徴を検出して、慢性腰痛の複数の指標を識別するステップであって、
前記複数の指標が、骨髄強度変化及び椎骨終板欠損又は椎骨終板変性の特徴を含む、ステップと、
前記複数の指標の範囲に基づいて前記識別された複数の指標を定量化するステップであって、前記範囲が、量、重大度、及び/又は空間的評価を含み得る、ステップと、
前記定量化に基づいて、前記特定の被検体が基底脊椎神経アブレーション処置に有利に応答する可能性を示す客観的スコアを決定するステップと、
を含むコンピュータ実装方法。 - 前記1つ以上の画像から特徴を検出して前記複数の慢性腰痛の指標を識別する前記ステップは、訓練済ニューラルネットワークを前記1つ以上の画像に適用して前記複数の慢性腰痛の指標を自動的に識別するステップを含む、請求項48に記載のコンピュータ実装方法。
- 特定の被検体が成功した基底脊椎神経アブレーション処置の可能性のある候補であるか否かを決定するためにニューラルネットワークを訓練するコンピュータ実装方法であって、
データベースから磁気共鳴画像のセットを収集するステップであって、
各磁気共鳴画像が、慢性腰痛の少なくとも1つの指標を有する被検体の脊椎の少なくとも一部の画像を含む、ステップと、
各磁気共鳴画像に1つ以上の変換を適用して、磁気共鳴画像の修正されたセットを作成するステップと、
前記収集された磁気共鳴画像のセット、前記修正された磁気共鳴画像のセット、及び慢性腰痛の指標を伴わない1人又は複数の被検体の脊椎の少なくとも一部の磁気共鳴画像のセットを含む第1の訓練セットを作成するステップと、
前記第1の訓練セットを使用して第1の段階で前記ニューラルネットワークを訓練するステップと、
前記第1の訓練セットと、慢性腰痛の少なくとも1つの指標を有すると誤って決定される慢性腰痛の指標を伴わない1人又は複数の被検体の脊椎の少なくとも一部の磁気共鳴画像とを含む、トレーニングの第2の段階のための第2の訓練セットを作成するステップと、
前記第2の訓練セットを使用して第2の段階で前記ニューラルネットワークを訓練するステップと、
を含むコンピュータ実装方法。 - 1つ以上の変換を適用する前記ステップは、前記磁気共鳴画像を訓練のためにより均一にするべく前記収集された磁気共鳴画像のセットを前処理するステップを含む、請求項50に記載の方法。
- 前記収集された磁気共鳴画像のセットの少なくとも一部において前記基底脊椎神経アブレーション処置によってうまく治療される可能性が高い背部痛の指標を識別するステップを更に含む、請求項50に記載の方法。
- 前記被検体が前記基底脊椎神経アブレーション処置によってうまく治療された前記収集された磁気共鳴画像のセットの画像を識別するステップを更に含む、請求項50に記載の方法。
- 前記収集された磁気共鳴画像のセットは、以前に脊椎固定術又は椎間板切除術を受けた被検体の磁気共鳴画像を含む、請求項50に記載の方法。
- 特定の被検体が成功した基底脊椎神経アブレーション処置の可能性のある候補であるか否かを決定するためにニューラルネットワークを訓練するコンピュータ実装方法であって、
データベースからデジタル画像のセットを収集するステップであって、
各デジタル画像が、慢性腰痛の少なくとも1つの指標を有する被検体の脊椎の少なくとも一部のデジタル画像を含む、ステップと、
修正されたデジタル画像のセットを作成するために各デジタル画像に1つ以上の変換を適用するステップと、
前記収集されたデジタル画像のセット、前記修正されたデジタル画像のセット、及び慢性腰痛の指標を伴わない1人又は複数の被検体の脊椎の少なくとも一部のデジタル画像のセットを含む第1の訓練セットを作成するステップと、
前記第1の訓練セットを使用して第1の段階で前記ニューラルネットワークを訓練するステップと、
前記第1の訓練セットと、慢性腰痛の少なくとも1つの指標を有すると誤って決定される慢性腰痛の指標を伴わない1人又は複数の被検体の脊椎の少なくとも一部のデジタル画像とを含む、トレーニングの第2の段階のための第2の訓練セットを作成するステップと、
前記第2の訓練セットを使用して第2の段階で前記ニューラルネットワークを訓練するステップと、
を含むコンピュータ実装方法。 - 特定の被検体が慢性腰痛を治療するために基底脊椎神経アブレーションに有利に応答する可能性を定量的に予測するためのシステムであって、
サーバを備え、該サーバは、非一時的コンピュータ可読記憶媒体に記憶された命令の実行時に、
特定の被検体の脊椎の少なくとも1つの腰仙骨領域の1つ以上の磁気共鳴画像(MRI)を受信し、
特徴検出のために前記1つ以上のMRIの均一性を与えるべく1つ以上のMRIに前処理撮像技術を適用し、
前記1つ以上のMRIから特徴を検出して、慢性腰痛の複数の指標を識別し、
前記複数の指標が、骨髄強度変化及び椎骨終板欠損又は椎骨終板変性の特徴を含み、
前記複数の指標の範囲に基づいて前記識別された複数の指標を定量化し、前記範囲が、量、重大度、及び/又は空間的評価を含むことができ、
前記複数の指標の前記定量化に基づいて、前記特定の被検体が基底脊椎神経アブレーション処置に有利に応答する可能性を示す客観的スコアを決定する、
ように構成される1つ以上のハードウェアプロセッサを備える、システム。 - 前記1つ以上のハードウェアプロセッサは、前記1つ以上のMRIに訓練済ニューラルネットワークを適用して前記複数の慢性腰痛の指標を自動的に識別することによって、前記1つ以上のMRIから特徴を検出して慢性腰痛の前記複数の指標を識別するように更に構成される、請求項56に記載のシステム。
- 前記1つ以上のMRIを取得するように構成されるMRIスキャナを更に備える、請求項56又は57に記載のシステム。
- 1つ以上のプロセッサによって実行されるときに、
特定の被検体の脊椎の少なくとも一部の1つ以上の画像を受信するステップと、
前記1つ以上の画像に前処理撮像技術を適用するステップと、
前記1つ以上の画像から特徴を抽出して、背部痛の複数の指標を識別するステップであって、
前記複数の指標が、(i)骨髄強度変化及び(ii)椎骨終板欠損又は椎骨終板変性の特徴のうちの少なくとも1つを含む、ステップと、
前記抽出に基づいて前記特定の被検体が基底脊椎神経アブレーションに有利に応答する可能性を示す客観的スコアを決定するステップと、
を含むプロセスを実施するように構成される記憶されたコンピュータ実行可能命令を含む非一時的物理コンピュータ記憶媒体。 - 前記プロセスは、背部痛の前記識別された複数の指標を定量化するステップを更に含み、前記識別された複数の指標を定量化する前記ステップは、
前記骨髄強度変化及び/又は椎骨終板欠損の量の決定するステップ、
前記骨髄強度変化及び/又は椎骨終板欠損の程度のレベルを決定するステップ、及び
識別された脂肪分率の変化を定量化するステップ、
のうちの1つ以上を含む、請求項59に記載の非一時的物理コンピュータ記憶媒体。 - 前記背部痛が慢性腰痛である、請求項59に記載の非一時的物理コンピュータ記憶媒体。
- 特徴を抽出する前記ステップは、訓練済ニューラルネットワークを前記1つ以上の画像に適用して、背部痛の前記複数の指標を自動的に識別するステップを含む、請求項59に記載の非一時的物理コンピュータ記憶媒体。
- 特定の被検体が神経調節に有利に又は不利に応答する可能性を定量的に予測する方法であって、
背部及び/又は末梢神経痛の複数の指標を識別するステップであって、
前記複数の指標を識別するステップが、(i)1つ以上の骨髄強度変化を識別するステップ、及び(ii)1つ以上の椎骨終板欠損又は椎骨終板変性の特徴を識別するステップを少なくとも含む、ステップと、
識別された複数の指標を定量化するステップと、
前記定量化に基づいて、前記特定の被検体が前記神経調節に有利に又は不利に応答する可能性を示す客観的スコアを計算するステップと、
を含む方法。 - 前記複数の指標が撮像データに基づいて識別される、請求項63に記載の方法。
- 前記複数の指標が磁気共鳴画像(MRI)に基づいて識別される、請求項63に記載の方法。
- 前記複数の指標がスキャンされたデータに基づいて識別される、請求項63に記載の方法。
- 前記複数の指標が音響データに基づいて識別される、請求項63から66のいずれか一項に記載の方法。
- 前記神経調節が除神経を含む、請求項63から66のいずれか一項に記載の方法。
- 前記神経調節が基底脊椎神経の除神経又はアブレーションを含む、請求項63から66のいずれか一項に記載の方法。
- 不利な応答が被検体を特定の治療プロトコルから除外する、請求項63から66のいずれか一項に記載の方法。
- 有利な応答が被検体を特定の治療プロトコルに適格とする、請求項63から66のいずれか一項に記載の方法。
- 複数の被検体を該被検体について計算された客観的スコアに基づいて分類するステップを更に含む、請求項63から66のいずれか一項に記載の方法。
- 前記客観的スコアに基づいて治療プロトコルを推奨するステップを更に含む、請求項63から66のいずれか一項に記載の方法。
- 前記特定の被検体を治療するステップを更に含む、請求項63から66のいずれか一項に記載の方法。
- 複数の指標に基づいて定量的スコア又は客観的スコアを決定して、本明細書に記載されるように特定の被検体が基底脊椎神経アブレーション処置の可能性のある候補であるか否かを予測するコンピュータ実装方法。
- 本明細書に記載のニューラルネットワークを訓練する方法。
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