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Table 7 Group 2 (Investigators) (n = 24) - Testing performed at each Laboratory

From: Design and conduct of Caudwell Xtreme Everest: an observational cohort study of variation in human adaptation to progressive environmental hypoxia

  Archway
(75 m)
Kathmandu
(1300 m)
Namche
(3500 m)
Pheriche
(4280 m)
EBC (I)
(5300 m)
EBC (II)
(5300 m)
Camp 2
(6400 m)
South Col
(7950 m)
Subjects at laboratory 24 24 24 24 24 23 14 12
CORE STUDIES         
Daily diary 24 24 24 24 24 23 14 5
CPX Ramp (+muscle and brain NIRS)[17] 24 24 22 24 23 22 14 5
CPX ME 24 24 23 n/a 24 23 14 n/a
Spirometry 24 24 24 23 23 23 14 6
Venesection 24 24 24 24 24 23 14 n/a
Neurocognitive 21 21 (on return) 21 21 21 n/a 13 6
Pupillometry 24 24 24 20 24 23 14 0
Cranial measurement 24 n/a n/a n/a n/a n/a n/a n/a
Retinal Photography 24 n/a n/a n/a 24 23 n/a n/a
Plasma biomarkers 24 24 24 24 24 23 n/a n/a
ADDITIONAL STUDIES
Arterial Blood Gases[25] 10 n/a n/a n/a 9 n/a 9 n/a
Gastric Tonometry 10 n/a n/a n/a n/a 9 n/a n/a
Cardiac Output 10 n/a n/a n/a n/a 9 n/a n/a
Microcirculation[24] 24 n/a 24 n/a 24 23 14 4
Weight & Body comp 24 24 24 24 24 23 13 n/a
Muscle Biopsy 20 n/a n/a n/a n/a 18 n/a n/a
ECG 19 19 19 19 19 19 n/a n/a
Oxygen circuit n/a n/a n/a n/a n/a n/a 5 n/a
Smell and taste 24 n/a n/a n/a n/a 24 n/a n/a
Thromboelastography 17 n/a n/a 17 n/a 14 n/a n/a
Cerebral Doppler 24 24 24 24 24 24 13 5
Saccadometry 22 22 22 22 22 22 12 n/a
Cardiac MRI and 31P-MRS 2 n/a n/a n/a n/a n/a n/a n/a
Skeletal Muscle MRI and 31P-MRS 7 n/a n/a n/a n/a n/a n/a n/a
MR Brain structural and volumetric studies 15 n/a n/a n/a n/a n/a n/a n/a