通过机器学习系统预测皮肤性瘤切除术的无石头状态
Rami AlAzab1, Owais Ghammaz2, Nabil Ardah2
1Department of General Surgery and Urology, King Abdullah University Hospital, Irbid, Jordan.
International journal of nephrology and renovascular disease
|September 18, 2023
概括
机器学习模型可以准确地预测皮肤穿神经切除术 (PCNL) 后的无石头状态,其表现优于传统的评分系统. 这些模型为PCNL患者的结果提供了更好的预测.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 医疗信息学 医疗信息学
- 机器学习 机器学习
背景情况:
- 穿皮石切除术 (PCNL) 是一种常见的石切除手术.
- 预测PCNL后的无石头状态 (SFS) 对患者管理和治疗成功至关重要.
- 现有的评分系统如S.T.O.N.E.等. 和Guy的石头得分在预测PCNL结果方面存在局限性.
研究的目的:
- 开发和评估用于预测PCNL患者SFS的机器学习模型 (MLM).
- 为了比较MLM的预测性能与已建立的评分系统 (S.T.O.N.E. 和盖伊的石头得分).
主要方法:
- 对320名PCNL患者的回顾性分析.
- 提取手术前和手术后的变量.
- 开发和验证三个MLM:随机森林分类器 (RFC),支持矢量机 (SVM) 和XGBoost.
- 使用平均启动步骤估计,十倍交叉验证,分类报告和曲线下的面积 (AUC) 的性能评估.
主要成果:
- 队列中的整体SFS为69.4%.
- 与S.T.O.N.E.相比,MLM显示出优越的预测性能. 和Guy的石头得分,具有更高的AUC值.
- 在内部验证中,RFC,SVM和XGBoost的AUC分别为0.761,0.751和0.769,在外部验证中分别为0.795,0.858和0.84.
结论:
- 机器学习模型可以准确地预测PCNL患者的SFS.
- 开发的MLM在预测PCNL结果的传统评分系统上提供了显著的改进.
- 在PCNL程序中,MLM显示出增强临床决策和患者分层的前景.
相关概念视频
Urinary Tract Calculi VI: Surgical Management
10
Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
10
Urinary Tract Calculi III: Medical Management
9
The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
9
Urinary Tract Calculi IV: Nutrition Therapy and Prevention
11
Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
11
Urinary Tract Calculi V: Nursing Management
13
AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...
13
Urinary Tract Calculi I: Introduction
16
Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
16
Imaging Studies V: Intravenous Urography and Retrograde Pyelography
53
IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
53


