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Physiological Changes in Adult Intensive Care Patients Following Contact With Their Primary Caregiver (CARE-ICU)

2026年8月10日 更新者:Liliana Argueta-Figueroa、Universidad Autonoma del Estado de Mexico

Physiological Changes in Adult Intensive Care Patients Upon Contact With Their Primary Caregiver (CARE-ICU): A Randomized Clinical Trial

Patients admitted to intensive care units are exposed to multiple environmental and clinical factors that may affect their physiological responses. This randomized controlled trial aims to evaluate the effect of physical contact with the primary caregiver on physiological parameters in adult patients hospitalized in an intensive care unit.

調査の概要

状態

募集

条件

介入・治療

詳細な説明

This study is a randomized, controlled, parallel-group, double-blind clinical trial designed to evaluate the effect of therapeutic contact provided by the primary caregiver on physiological parameters in adult intensive care unit (ICU) patients. Participants will be randomly assigned in a 1:1 ratio to either the intervention group (therapeutic contact) or the control group (no therapeutic contact) using block randomization generated by an independent external advisor. Allocation concealment will be ensured through the use of sequentially numbered, opaque, sealed, tamper-evident envelopes.

Sample size was calculated for the comparison of means between two independent groups using a 95% confidence level (α = 0.05), 80% statistical power (β = 0.20), a standard deviation of 7.6, and a minimum clinically meaningful difference of 5 units. The estimated sample size was 36 participants per group. After adjustment for an anticipated 10% attrition rate, a total of 80 participants (40 per group) will be enrolled.

Physiological outcomes include heart rate, systolic blood pressure, diastolic blood pressure, respiratory rate, oxygen saturation, and body temperature. Measurements will be obtained using a bedside multiparameter monitor and recorded on a standardized physiological data collection form. Equipment calibration will be verified before each measurement. Outcomes will be assessed 10 minutes before the caregiver visit, 10 minutes after the start of the visit, and 10 minutes after completion of the visit.

Changes in physiological outcomes will be calculated as the difference between baseline measurements and subsequent assessments. Data analysis will be performed using IBM SPSS Statistics Version 29.0 (IBM Corp., Armonk, NY, USA). Continuous variables will be summarized using means and standard deviations or medians and interquartile ranges, according to data distribution. Categorical variables will be summarized using frequencies and percentages. Normality will be evaluated using the Kolmogorov-Smirnov test. For each physiological outcome, change scores will be calculated by subtracting baseline values from measurements obtained during and after the caregiver visit. Mean changes between the intervention and control groups will be compared using the independent-samples t-test or the Mann-Whitney U test, as appropriate. Effect sizes will be estimated using Cohen's d. Statistical significance will be established at p < 0.05. The study was approved by the Research Ethics Committee of the Instituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas". The trial will be conducted in accordance with the Declaration of Helsinki and applicable Mexican regulations governing health research. Written informed consent will be obtained from all participants or their legally authorized representatives before enrollment. Adverse events will be documented and reported to the institutional ethics committee and ClinicalTrials.gov according to applicable regulatory requirements.

研究の種類

介入

入学 (推定)

80

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

  • 名前:Isabel Álvarez-Solorza, Dr.
  • 電話番号:8038 +52 1 7222231161
  • メール:ialvarezs@uaemex.mx

研究場所

    • Mexico City
      • Mexico City、Mexico City、メキシコ、14080
        • 募集
        • Investigación del Instituto Nacional de Enfermedades Respiratorias
        • コンタクト:

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria

Patient Criteria:

  • Adults aged 18 years or older.
  • Admission to the intensive care unit (ICU) for 24 to 48 hours.
  • Richmond Agitation-Sedation Scale (RASS) score between -3 and -1 or between 0 and +3.
  • Glasgow Coma Scale score greater than 13.

Primary Caregiver Criteria:

  • Identified as the patient's primary caregiver.
  • Willing and able to participate in the study.
  • Provides written informed consent prior to study participation.

Exclusion Criteria

Patient Criteria:

  • Diagnosis of a neurological disorder (e.g., cerebrovascular disease or stroke).
  • Multiple organ dysfunction syndrome (MODS).
  • Unstable or difficult-to-control cardiac arrhythmias.
  • Fever (body temperature ≥ 37.5°C) at the time of assessment.
  • Hypertension (blood pressure ≥ 130/80 mmHg) at the time of assessment.

Primary Caregiver Criteria:

- Unable to be present to perform the intervention according to the study protocol.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 主な目的:支持療法
  • 割り当て:ランダム化
  • 介入モデル:並列代入
  • マスキング:ダブル

武器と介入

参加者グループ / アーム
介入・治療
実験的:Intervention
Therapeutic physical contact provided by their primary caregiver

During the pre-visit phase (30 minutes), caregivers will receive information about the study, patient's condition, infection control procedures, and training on the standardized contact protocol.

During the visit phase (20 min), the caregiver will greet the patient in a customary manner (1 min); provide a gentle massage to the dorsal surface of the hand while discussing positive events of the day (6 min); gently touch the patient's forehead with the fingertips while recalling pleasant memories (3 min); gently massage the patient's cheek using the fingertips while providing encouraging and positive messages (3 minutes); massage the palm of the patient's hand using circular movements while discussing goals to be achieved after hospital discharge (4 min); and holding the patient's hand and expressing wishes for recovery and discharge (3 min).

Following the visit, caregivers will be given the opportunity to share observations, comments, and feedback regarding the intervention experience.

他の名前:
  • Physical contact
介入なし:Standard Care Without Therapeutic Contact
Standard intensive care unit care without the standardized therapeutic physical contact intervention provided by the primary caregiver.

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Change in Heart Rate
時間枠:10 minutes before the intervention, during the intervention (10 minutes after the start of the visit), and 10 minutes after the intervention.
Heart rate, expressed as beats per minute (bpm), measured using a bedside multiparameter monitor through cutaneous electrodes. Changes in heart rate will be assessed before, during, and after the intervention.
10 minutes before the intervention, during the intervention (10 minutes after the start of the visit), and 10 minutes after the intervention.

二次結果の測定

結果測定
メジャーの説明
時間枠
Change in Systolic Blood Pressure
時間枠:10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Systolic blood pressure, defined as the maximum arterial pressure during cardiac contraction, measured in millimeters of mercury (mmHg). Measurements will be obtained using a bedside multiparameter monitor through a blood pressure cuff or arterial line.
10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Change in Diastolic Blood Pressure
時間枠:10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Diastolic blood pressure, defined as the minimum arterial pressure during cardiac relaxation, measured in millimeters of mercury (mmHg). Measurements will be obtained using a bedside multiparameter monitor through a blood pressure cuff or arterial line.
10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Change in Respiratory Rate
時間枠:10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Respiratory rate, defined as the number of breaths per minute (breaths/min), measured using a bedside multiparameter monitor through cutaneous electrodes.
10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Change in Oxygen Saturation
時間枠:10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Oxygen saturation, defined as the percentage of arterial hemoglobin saturated with oxygen (SpO₂), measured using a pulse oximeter placed on the patient's finger under conditions free of movement interference.
10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Change in Body Temperature
時間枠:10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.
Body temperature, defined as the degree of body heat expressed in degrees Celsius (°C), measured in the axillary region using a temperature probe connected to a bedside multiparameter monitor.
10 minutes before the caregiver visit, during the visit (10 minutes after the start of the caregiver visit), 10 minutes after completion of the caregiver visit.

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

捜査官

  • 主任研究者:Isabel Álvarez-Solorza, RN, PhD、Universidad Autonoma del Estado de Mexico

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2026年8月1日

一次修了 (推定)

2026年8月31日

研究の完了 (推定)

2026年8月31日

試験登録日

最初に提出

2026年7月2日

QC基準を満たした最初の提出物

2026年8月10日

最初の投稿 (実際)

2026年8月12日

学習記録の更新

投稿された最後の更新 (実際)

2026年8月12日

QC基準を満たした最後の更新が送信されました

2026年8月10日

最終確認日

2026年8月1日

詳しくは

本研究に関する用語

その他の研究ID番号

  • C23-26

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

はい

IPD プランの説明

De-identified individual participant data (IPD) may be made available upon reasonable request to the principal investigator, subject to approval by the research team and ethics committee and in accordance with applicable regulation

IPD 共有時間枠

Beginning after publication of the primary study results with no predetermined end date.

IPD 共有アクセス基準

De-identified individual participant data (IPD) and supporting documents will be available upon reasonable request to the principal investigator. Access will be granted to researchers with a methodologically sound research proposal following review and approval by the research team and in accordance with ethical and institutional requirements. Data will be shared in a secure manner and only for approved research purposes.

IPD 共有サポート情報タイプ

  • STUDY_PROTOCOL
  • SAP
  • ICF

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この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。