関連する実験動画
Updated: Feb 24, 2026

09:03
Trabecular Meshwork Response to Pressure Elevation in the Living Human Eye
Published on: June 20, 2015
10.5K
異なる眼圧測定法および経験レベル間での眼圧測定の比較分析
Şerife Çiloğlu Hayat1, Yusuf Cem Yılmaz1, Hatice Davarcı2
1Specialist Dr, Basakşehir Cam Sakura State Hospital, Department of Ophthalmology, Istanbul, Turkey.
Korean journal of ophthalmology : KJO
|February 23, 2026
まとめ
ゴールドマン圧平眼圧測定(GAT)は、眼科医の間で有意な術者間変動を示し、経験の浅い臨床医は測定精度に影響を与えた。非接触眼圧測定(NCT)も変動を示したため、臨床的解釈には注意が必要であり、体系的なトレーニングの必要性が示唆された。
科学分野:
- 眼科学
- 視能学
- 臨床測定
背景:
- 眼圧(IOP)測定は、緑内障の診断と管理に不可欠である。
- ゴールドマン圧平眼圧測定(GAT)は標準的な方法であるが、その再現性は術者の経験によって影響を受ける可能性がある。
- 非接触眼圧測定(NCT)は、より迅速な代替方法を提供するが、GATとの一致度を評価する必要がある。
研究 の 目的:
- 経験レベルの異なる眼科医間でのゴールドマン圧平眼圧測定(GAT)の術者間変動を評価する。
- 非接触眼圧測定(NCT)とGATの眼圧(IOP)測定における一致度を評価する。
主な方法:
- 210人の患者を対象とした横断的観察研究。
- NCTに続いて右眼にGATを用いてIOP測定を行った。
- 3人の観察者が関与した:上級眼科医(Obs1)および2人の研修医(Obs2、Obs3)。
主要な成果:
- GAT-IOP測定において、上級眼科医と研修医の一人(Obs2)、および上級眼科医とNCTの間で有意差が見られた。平均差(MD)と95%信頼限界(LoA)は、Obs1 vs. Obs2(0.8 mmHg、±5.7 mmHg)、Obs1 vs. Obs3(0.4 mmHg、±6.5 mmHg)、Obs1 vs. NCT(-0.9 mmHg、±7.3 mmHg)と変動した。Obs2の測定値は、Obs3およびNCTと比較して、Obs1の±4 mmHg以内に収まる割合が高かった。NCTは、特に正常眼圧群において、広いLoAを示した。
結論:
- GAT測定における術者間変動は、±4 mmHgの臨床的ベンチマークを超えており、経験の浅い観察者においてはスキルに関連する精度の問題がある可能性を示唆している。
- 臨床医は、特に術後や治療調整中のNCTの結果を解釈する際には注意が必要である。
- 体系的なトレーニングプロトコルとGATとのクロスチェックにより、IOP測定の一貫性を向上させることができる。
関連する概念動画
Assessment of blood pressure in brachial artery(two-step method)
1.8K
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
1.8K
Measurement of Blood Pressure
3.5K
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
3.5K
Special considerations while measuring blood pressure
1.3K
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
1.3K
Equipments Used To Measure Blood Pressure
3.7K
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
3.7K
Glaucoma: Overview
1.5K
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.5K
Sites for measuring blood pressure
3.8K
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
3.8K

