Fatigue in Air Search and Rescue Missions

NCT06253026 | Recruiting

• 1 other identifier: LabFisiolBioqFAP
• Study Type: observational
• Target: 60
• Locations: 1 country
• Sites: 1

Brief Summary

The purpose of this observational study is to understand and evaluate the physiological, psychological, and cognitive impact of 15 consecutive days of air search and rescue mission deployments on Portuguese Air Force crews. The main goals are: 1) Characterize and compare the body composition, cardiorespiratory fitness, and strength levels of air force search and rescue mission crew members with different tasks; 2) Characterize the physiological, psychological and cognitive impacts induced by a single deployment; 3) Identify possible cumulative effects of successive deployments on the variables of interest; 3) Characterize the changes in lifestyle, quality of sleep and nutrition induced by the deployments. The participants will be evaluated after a period of hollidays, before missions, during missions, upon arrival, for a period of twelve months, and at the end of twelve months.

Conditions

Fatigue Syndrome, Chronic

Keywords

Fatigue; Strength; Sleep pattern; Cognition

Outcome Measures

Primary Outcomes (14)

• Change of Well-being Index

  Numeric scale (0-28). A lower score is associated with a better result

  Every 15 days search and rescue mission, up to 1 year

• Changes in response inhibition (go/no go test)

  Number of errors, reaction time (ms)

  Every 15 days search and rescue mission, up to 1 year

• Change in response inhibition (Stroop test)

  Number of errors, reaction time (ms)

  Every 15 days search and rescue mission, up to 1 year

• Change of heart rate variability

  bpm, rr interval

  Every 15 days search and rescue mission, up to 1 year

• Change of double task ability

  walking and calculating

  Every 15 days search and rescue mission, up to 1 year

• Change of maximal voluntary strength

  N

  Every 15 days search and rescue mission, up to 1 year

• Change of maximal Hand Grip strength

  N

  Every 15 days search and rescue mission, up to 1 year

• Peak tork of extensors and flexors of the tight

  Peak tork

  Every 15 days search and rescue mission, up to 1 year

• Isometric mid-tight pull

  maximal tork

  Every 15 days search and rescue mission, up to 1 year

• VO2max

  Indirect calorimetry (mL/kg/min)

  1 year

• Hematological indicators (hematocrit)

  Percentage (volume/volume) of red blood cell in total blood

  Every 15 days search and rescue mission, up to 1 year

• Hematological indicators (hemoglobin)

  grams/mL blood

  Every 15 days search and rescue mission, up to 1 year

• Hematological indicators (cell counts)

  Number of red and white cells per mL of total blood

  Every 15 days search and rescue mission, up to 1 year

• Possible perturbations diagnosis

  Psychology clinical interview

  1 year

Secondary Outcomes (10)

• Change in body mass BIA

  Every 15 days search and rescue mission, up to 1 year

• Change in fat-free mass BIA

  Every 15 days search and rescue mission, up to 1 year

• Change in fat mass BIA

  Every 15 days search and rescue mission, up to 1 year

• Change in total water BIA

  Every 15 days search and rescue mission, up to 1 year

• Change in intracellular water BIA

  Every 15 days search and rescue mission, up to 1 year

Study Arms (2)

Air mission personnel

Military crew that goes to air search and rescue missions in groups of five

Other: Search and rescue mission

Control

Ground military personnel

Interventions

Search and rescue mission OTHER

Air search and rescue missions lasting 15 consecutive days

Air mission personnel

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

Military crews composed by pilot, co-pilot, nurse, host-operator, rescue diver. Land military personal involved in desk tasks.

You may qualify if:

• Air Force Military
• For intervention group
• Approved for search and rescue missions by the clinical staff

Sponsors & Collaborators

• Faculdade de Motricidade Humana: lead
• CIDEFES - Universidade Lusofona: collaborator
• Força Aerea Portuguesa: collaborator

Study Sites (1)

Faculty of Human Kinetics

Lisbon, 1495-002 Cruz-Quebrada, Portugal

RECRUITING

Biospecimen

Retention: SAMPLES WITHOUT DNA

Plasma and serum for biochemical analysis

MeSH Terms

Conditions

Fatigue Syndrome, Chronic; Fatigue

Condition Hierarchy (Ancestors)

Muscular Diseases; Musculoskeletal Diseases; Encephalomyelitis; Neuroinflammatory Diseases; Nervous System Diseases; Neuromuscular Diseases; Chronic Disease; Disease Attributes; Pathologic Processes; Pathological Conditions, Signs and Symptoms; Signs and Symptoms

Central Study Contacts

Cristina Monteiro, PhD

CONTACT

00351214149174; cmonteiro@fmh.ulisboa.pt

Maria João Valamatos, PhD

CONTACT

00351214149174; mjvalamatos@fmh.ulisboa.pt

Study Design

• Study Type: observational
• Observational Model: ECOLOGIC OR COMMUNITY
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: December 21, 2023
• First Posted: February 12, 2024
• Study Start: May 2, 2023
• Primary Completion: May 1, 2024
• Study Completion: December 1, 2024
• Last Updated: February 12, 2024

Record last verified: 2024-02

Data Sharing

• IPD Sharing: Will not share

Locations

PT (1)