[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"speckle-tracking\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:speckle-tracking":25},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,4,0,[8,38,56,89],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":4,"briefSummary":22,"conditions":23,"keywords":4,"overallStatus":26,"whyStopped":4,"lastUpdateSubmitDate":27,"lastUpdatePostDateStruct":28,"startDateStruct":31,"completionDateStruct":33,"leadSponsor":35,"locationsCount":4},"100649308","regional-diaphragmatic-synchrony-index-for-predicting-weaning-outcomes-during-pressure-support-ventilation-spontaneous-breathing-trials-100649308",false,"NCT07733102","Regional Diaphragmatic Synchrony Index for Predicting Weaning Outcomes During Pressure Support Ventilation Spontaneous Breathing Trials","Regional Diaphragmatic Synchrony Index for Predicting Weaning Outcomes During Pressure Support Ventilation Spontaneous Breathing Trials: A Prospective Observational Study","Inclusion Criteria:\n\n* Age: Age ≥ 18 years.\n* Mechanical Ventilation Duration: Receiving invasive mechanical ventilation for ≥ 24 hours.\n* Weaning Readiness: The attending physician has determined that the patient meets the criteria for weaning assessment and plans to conduct a Spontaneous Breathing Trial (SBT) under Pressure Support Ventilation (PSV) mode.\n* Hemodynamic Stability: Hemodynamically stable prior to the SBT, defined as a mean arterial pressure (MAP) ≥ 65 mmHg, or requiring only low-dose vasopressor support.\n* Oxygenation Criteria: Oxygenation status permits an SBT, typically defined as FiO2 ≤ 0.60 and PEEP ≤ 10 cmH2O, or meeting the standard weaning assessment criteria of the participating institution.\n\nExclusion Criteria:\n\n* Known or highly suspected phrenic nerve injury, or unilateral\u002Fbilateral diaphragmatic paralysis.\n* Neuromuscular diseases causing severely restricted spontaneous breathing capacity, as judged by the investigator to be unsuitable for RDSI analysis.\n* Recent chest or upper abdominal surgery, open trauma, skin infection, or extensive dressing coverage that prevents obtaining a reliable diaphragm ultrasound window.\n* Significant agitation or severe patient-ventilator asynchrony that prevents the acquisition of continuous and stable respiratory cycles.\n* Undrained pneumothorax, or conditions deemed unsuitable for ultrasound examination as judged by the attending physician.\n* Pregnant patients.\n* The patient or their legally authorized representative refuses to participate in the study.","ALL","18 Years",{"count":19,"type":20},110,"ESTIMATED","OBSERVATIONAL","The primary aim of this study is to evaluate the predictive value of the inspiratory regional diaphragmatic synchrony index (RDSI-insp) during PSV-SBT for first-attempt weaning failure. Secondary objectives include: (1) assessing the correlation between RDSI-insp and conventional respiratory mechanics and diaphragmatic ultrasound parameters such as RSBI, MIP\u002FNIF, VC, CPF, P0.1, DE, and DTF; (2) comparing differences in RDSI and DPSI between successful and failed weaning groups during inspiration, end-inspiration, and expiration; (3) exploring the association of anterior diaphragmatic dyssynchrony index, posterior\u002Fcrural dyssynchrony index, and regional time-to-peak dispersion with weaning outcomes; and (4) evaluating the feasibility, analyzable image rate, and repeatability of diaphragmatic speckle-tracking and RDSI calculation in patients undergoing PSV-SBT.",[24,25],"Diaphragm","Speckle Tracking","NOT_YET_RECRUITING","2026-07-23",{"date":29,"type":30},"2026-07-29","ACTUAL",{"date":32,"type":20},"2026-08-23",{"date":34,"type":20},"2027-08-30",{"name":36,"class":37},"Sir Run Run Shaw Hospital","OTHER",{"id":39,"slug":40,"hasResults":11,"nctId":41,"briefTitle":42,"officialTitle":42,"acronym":4,"eligibilityCriteria":43,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":44,"targetDuration":4,"studyType":21,"phases":4,"briefSummary":46,"conditions":47,"keywords":4,"overallStatus":26,"whyStopped":4,"lastUpdateSubmitDate":48,"lastUpdatePostDateStruct":49,"startDateStruct":51,"completionDateStruct":53,"leadSponsor":55,"locationsCount":4},"100645977","end-expiratory-diaphragmatic-residual-contraction-index-for-identifying-intrinsic-peep-and-assisting-peep-titration-a-prospective-physiological-study-100645977","NCT07697703","End-Expiratory Diaphragmatic Residual Contraction Index for Identifying Intrinsic PEEP and Assisting PEEP Titration: A Prospective Physiological Study","Inclusion Criteria:\n\n* Age ≥ 18 years. Patients receiving invasive mechanical ventilation in Pressure Support Ventilation (PSV) mode.\n\nClinically assessed as having a risk of dynamic intrinsic PEEP (PEEPi,dyn) or experiencing difficult weaning from mechanical ventilation.\n\nPresence of an indwelling esophageal balloon catheter (for reference standard measurements).\n\nProvision of written informed consent from the patient or legally authorized representative.\n\nExclusion Criteria:\n\n* Pregnancy or lactation. Known esophageal diseases (e.g., esophageal varices, strictures, recent esophageal surgery) or contraindications to esophageal catheter placement.\n\nSevere hemodynamic instability (e.g., requiring high-dose vasoactive support, uncontrolled arrhythmias).\n\nSevere hypoxemia (PaO2\u002FFiO2 \\\u003C 100 mmHg) or severe hypercapnia with hemodynamic compromise at baseline.\n\nConditions precluding ultrasound assessment of the diaphragm (e.g., extensive chest wall trauma, large pleural effusion, severe subcutaneous emphysema).\n\nActive spontaneous breathing with severe patient-ventilator asynchrony that cannot be stabilized during the trial.\n\nAnticipated extubation or withdrawal of life-sustaining treatment within the next 24 hours.\n\nParticipation in another interventional clinical trial within the last 30 days.",{"count":45,"type":20},100,"This study proposes the End-expiratory Diaphragmatic Residual Contraction (EDRC) index to quantify residual diaphragmatic activity at end-expiration during Pressure Support Ventilation (PSV) mode. The study aims to validate the relationship between EDRC and dynamic intrinsic PEEP (PEEPi), triggering load, patient-ventilator asynchrony, and PEEP responsiveness through a brief, standardized PEEP titration trial conducted within a clinically safe range. This will provide a basis for subsequent individualized PEEP setting guided by EDRC.",[25,24],"2026-07-05",{"date":50,"type":30},"2026-07-13",{"date":52,"type":20},"2026-08-21",{"date":54,"type":20},"2027-09-03",{"name":36,"class":37},{"id":57,"slug":58,"hasResults":11,"nctId":59,"briefTitle":60,"officialTitle":61,"acronym":62,"eligibilityCriteria":63,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":64,"targetDuration":4,"studyType":21,"phases":4,"briefSummary":66,"conditions":67,"keywords":72,"overallStatus":78,"whyStopped":4,"lastUpdateSubmitDate":79,"lastUpdatePostDateStruct":80,"startDateStruct":82,"completionDateStruct":84,"leadSponsor":86,"locationsCount":88},"100516838","diaphragmatic-speckle-tracking-during-spontaneous-breathing-trial-100516838","NCT06009731","Diaphragmatic Speckle Tracking During Spontaneous Breathing Trial","DIAPHRAGMATIC SPECKLE TRACKING DURING SPONTANEOUS BREATHING TRIAL","DIAST","Inclusion Criteria:\n\n* Consecutive adult patients (≥18 years old) undergoing mechanical ventilation for at least 24h (regardless of the reason of intubation)\n* patients fulfilling criteria for an SBT\n* patients will have to be able to trigger ventilator breaths with a reasonable level of assistance,\n* patients with lack of severe impairment in gas exchange,\n* patients that not require significant hemodynamic support.\n* Patients will be recruited by the study coordinator following completion of informed consent from the patient or legally authorized substitute decision maker.\n\nExclusion Criteria:\n\n* Use of pressure support during the SBT.\n* Severe hemodynamic instability (\\>30% increase in vasopressors in the last 6 hours or norepinephrine \\> 0.5 µg\u002Fkg\u002Fmin).\n* Severe or very severe chronic obstructive pulmonary disease (COPD) according to the GOLD criteria (stage III: FEV1 30-50% predicted; stage IV: FEV1 \\\u003C 30% predicted).\n* Known or suspected severe or progressive neuromuscular disorder likely to result in prolonged or chronic ventilator dependence\n* Clinical judgement of the attending physician.",{"count":65,"type":20},60,"Currently, measurement of transdiaphragmatic pressure (Pdi) using oesophageal and gastric balloons is the gold standard for the assessment of diaphragmatic effort. This technique is relatively invasive and its interpretation may be complex. The diaphragmatic longitudinal strain (LSdi) and strain rate (LSRdi) might provide additional information in the assessment of diaphragmatic effort and movement during SBT, allowing early detection of diaphragmatic dysfunction. Patients will be monitored during a 30-120 minutes SBT consisting of no assistance on the ventilator using CPAP with a pressure level of 0 cmH2O. Parameters to evaluate diaphragm function will include diaphragmatic strain (LSdi and LSRdi), diaphragmatic thickening fraction (TFdi), and airway occlusion pressure (ΔP0.1 and ΔPocc). These parameters will be measured immediately before ('baseline') the SBT, as well as 2 minutes ('early' assessment), 15 ('intermediate' assessment) and 30 minutes ('late' assessment) after the beginning of the SBT.",[68,69,70,25,71,24],"Weaning","Spontaneous Breathing Trial","Mechanical Ventilation","Strains",[73,74,75,76,71,77],"weaning","spontaneous breathing trial","mechanical ventilation","speckle tracking","diaphragm","RECRUITING","2026-05-12",{"date":81,"type":30},"2026-05-15",{"date":83,"type":30},"2023-06-12",{"date":85,"type":20},"2027-07",{"name":87,"class":37},"Centre Hospitalier Universitaire, Amiens",1,{"id":90,"slug":91,"hasResults":11,"nctId":92,"briefTitle":93,"officialTitle":94,"acronym":95,"eligibilityCriteria":96,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":97,"targetDuration":4,"studyType":21,"phases":4,"briefSummary":98,"conditions":99,"keywords":107,"overallStatus":78,"whyStopped":4,"lastUpdateSubmitDate":117,"lastUpdatePostDateStruct":118,"startDateStruct":120,"completionDateStruct":122,"leadSponsor":124,"locationsCount":88},"100580064","atrial-strain-in-septic-shock-100580064","NCT06832436","Atrial Strain in Septic Shock","Assessment of Left And Right Atrial Strain in Septic Shock","ALARMS","Inclusion Criteria:\n\n* Age: \\>18 years\n* Adult patients admitted to critical care for septic shock (SEPSIS-3 definition)\n* TTE performed as part of medical management\n* No objection to data usage\n\nExclusion Criteria:\n\n* Pregnancy\n* Moderate to severe valvular regurgitation\u002Fstenosis (\\>grade 2)\n* Ventricular or supraventricular tachyarrhythmia (HR \\>140 bpm) at the time of TTE\n* Poor echogenicity preventing LAS measurement\n* Mechanical circulatory support\n* Pacemaker dependence\n* Patients under guardianship",{"count":65,"type":20},"Septic shock is a critical condition associated with high mortality. Transthoracic echocardiography is widely used to evaluate cardiac function and guide treatment. Left and right atrial strain (LAS and RAS) measured via speckle tracking echocardiography have shown prognostic value in cardiovascular diseases. However, differences exist between echocardiographic software, leading to challenges in result comparability. This study aims to compare LAS and RAS measurements between ECHOPAC and UWS software, evaluate AutoStrain technology, and assess reproducibility across observers. The study is non-interventional and will use retrospective echocardiographic data from patients treated for septic shock. The findings will contribute to improving measurement standardization in critically ill patients.",[100,101,102,103,25,104,105,106],"Septic Shock","Left Atrial Strain","Right Atrial Strain","Transthoracic Echocardiography","Echocardiographic Software","Reproducibility","Critical Care",[108,109,110,111,76,112,113,114,115,116],"transthoracic echocardiography","septic shock","left atrial strain","right atrial strain","echocardiographic software","AutoStrain","Bland-Altman analysis","reproducibility","critical care","2026-01-15",{"date":119,"type":30},"2026-01-16",{"date":121,"type":30},"2025-03-06",{"date":123,"type":20},"2026-09",{"name":87,"class":37}]