| | SLO | ENG | Cookies and privacy

Bigger font | Smaller font

Show document Help

Title:SPREMEMBE HEMODINAMIČNIH PARAMETROV MED SIMULACIJO VESOLJSKEGA POLETA IZ MARSA NA ZEMLJO
Authors:ID Rajšp, Patric (Author)
ID Križmarić, Miljenko (Mentor) More about this mentor... New window
ID Mekiš, Dušan (Comentor)
Files:.pdf VS_Rajsp_Patric_2016.pdf (1,15 MB)
MD5: 23ABD2E3A775D8DD318EC858642F76C0
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FZV - Faculty of Health Sciences
Abstract:Uvod: Za poglobljeno razumevanje delovanja kardiovaskularnega sistema v ekstremnih pogojih smo v simulacijskem okolju simulirali umetno gravitacijo Marsa, Zemlje in vesolja. Različni nakloni simulirajo različne umetne gravitacije, gravitacijo Marsa (20° naklon glede na vodoravno lego), ničelno gravitacijo (-6° naklon od vodoravne lege, glava navzdol) in gravitacijo Zemlje (80° naklon). Med raziskavo smo spremljali različne hemodinamske parametre in opazovali njihove spremembe. Metode: Izvedli smo kvantitativno študijo, ki je vključila 4 zdrave prostovoljce. Namestili smo jih v nagibno mizo ter s spremembo naklona na -6°, 20° in 80° glede na horizontalno lego spremljali hemodinamski odziv. Ocenjevali smo frekvenco srca (HR), sistolični krvni tlak (SBP), srednji arterijski tlak (MAP), diastolični krvni tlak (DBP), minutni iztis srca (CO), sistemsko upornost ožilja (TPR) in variabilnost srčne frekvence (HRV). Rezultati: Frekvenca srca (HR) je največji porast dosegla ob simulaciji gravitacije Zemlje povprečnih 83±12 utripov na minuto; iz področja vesolja se je frekvenca srca dvignila za 19% (p<0,05). Sistolični krvni tlak (SBP) je najnižjo vrednost dosegel na območju ničelne gravitacije povprečnih 98±12 mmHg in najvišjo pri naklonu 80°, in sicer 124±10mmHg(p<0,05). Srednji arterijski tak (MAP) je v simuliranem gravitacijskem okolju Marsa znašal 88±8 mmHg, nakar je se je ob spremembi naklona na -6° znižal za 20 % (p<0,05). Diastolični krvni tlak (DBP) je najnižje vrednosti dosegal na območju simulirane ničelne gravitacije 53±10 mmHg in najvišjo na območju Zemlje 87±9 mmHg (p<0,05). Minutni iztis srca (CO) je bil skozi vsa tri simulirana okolja od vseh parametrov najbolj konstanten s standardnim odklonom okrog 1 l/min (p<0,05). Sistemska upornost ožilja (TPR) je najnižjo vrednost dosegla na -6° naklonu, in sicer 833±191 dyn·s·cm-5in najvišjo na 80° naklonu, in sicer 1302±267 dyn·s·cm-5(p<0,05). Diskusija in zaključek: Sprememba simuliranih območji vpliva na spremembo hemodinamski parametrov, poznavanje sprememb omogoča delovanje v smeri povečane varnosti ljudi, ki so v območjih s spremenjeno gravitacijsko silo.
Keywords:Hemodinamični, Mars, Zemlja, Vesolje, umetna, gravitacija, Hrv, vesoljski, polet, obtočila, srce, ožilje, krvi, tlak
Place of publishing:Maribor
Publisher:[P. Rajšp]
Year of publishing:2016
PID:20.500.12556/DKUM-61565 New window
UDC:616.1:004.358(043.2)
COBISS.SI-ID:2244004 New window
NUK URN:URN:SI:UM:DK:FZHNJYYQ
Publication date in DKUM:03.10.2016
Views:1470
Downloads:193
Metadata:XML DC-XML DC-RDF
Categories:FZV
:
Copy citation
  
Average score:(0 votes)
Your score:Voting is allowed only for logged in users.
Share:Bookmark and Share


Hover the mouse pointer over a document title to show the abstract or click on the title to get all document metadata.

Secondary language

Language:English
Title:CHANGES IN HEMODYNAMICS PARAMETERS DURING SIMULATIONS OF SPACE FLIGHT FROM MARS TO EARTH
Abstract:Introduction: we have carried out a simulation of Earth's, Mars' and space's gravitational effect on the cardiovascular system using a rotating table. Different angles simulate different artificial gravities, Mars gravity is at 20°, zero gravity is -6° with head facing downward, and Earth's gravity is 80°. We have been observing different haemodynamic parameters and their changes throughout the experiment. Methods: We have carried out a quantitative research which included four healthy volunteers. They lied down on a rotating table which switched its position to -6, 20 and 80 degrees. Throughout the experiment we've been monitoring the haemodynamic response. We've focused on heart rate (HR), systolic blood pressure(SBP), diastolic blood pressure(DBP), mean arterial pressure (MAP), cardiac output (CO), heart rate variability (HRV) and total peripheral resistence (TPR). Results: Heart rate reached its highest point in Earth's gravity, averaging about 83±12 beats per minute, during space flight it has risen for 19 % (p<0,05). SPB had reached its lowest point on zero gravity averaging about 98±12 mmHg and its highest on 80 degree angle, averaging about 124±10 mmHg (p<0,05).MAP reached 88±8 mmHg in Mars' gravity, and fell for 20% on -6° angle (p<0,05). DBP reached its lowest value on zero gravity, averaging about 53±10 mmHg and its highest in Earth's gravity averaging 87±9 mmHg (p<0,05). CO only had a deviation of 1 l/min through all three simulations (p<0,05). TPR reached its lowest value at -6° averaging 833±191 dyn·s·cm-5 and its highest at 80° angle averaging 1302±267 dyn·s·cm-5 (p<0,05). Discussion: Changes in enviroment during simulations have an effect on the haemodynamic parameters. Knowing these changes enables us to increase the safety of people, working in such conditions.
Keywords:artificial, gravity, Space, Earth, Mars, hrv, cardiovascular, sistem, blood, pressure, Heart, rate


Comments

Leave comment

You must log in to leave a comment.

Comments (0)
0 - 0 / 0
 
There are no comments!

Back
Logos of partners University of Maribor University of Ljubljana University of Primorska University of Nova Gorica