1. Taw qhia
Kev raug mob hluav taws xob, tshwm sim los ntawm kev raug hluav taws xob ionizing (suav nrog X-rays, gamma rays, thiab particle radiation), tuaj yeem ua rau muaj kev puas tsuaj loj rau cov ntaub so ntswg thiab lub cev. Feem ntau tshwm sim muaj xws li daim tawv nqaij ulcers, vascular stenosis, hlab ntsha raug mob, thiab impaired qhov txhab kho. Hyperbaric oxygen therapy (HBOT) nrog lub chav ua haujlwm hyperbaric yog qhov kev lees paub dav dav kev kho mob rau kev raug mob hluav taws xob. Los ntawm kev xa 100% oxygen ntawm qhov siab siab tshaj atmospheric siab, hyperbaric chambers pab ua kom oxygen xa mus rau cov ntaub so ntswg hypoxic, txhawb nqa angiogenesis, thiab tswj cov lus teb inflammatory, uas nyob rau hauv lem pab kho cov ntaub so ntswg thiab optimize cov kev kho mob.
2. Mechanisms ntawm Hyperbaric Oxygen hauv Kev Kho Mob Radiation Injury
2.1 Txhim kho cov ntaub so ntswg Oxygenation
Ionizing hluav taws xob tuaj yeem ua rau cov microvasculature puas, ua rau txo cov ntshav khiav thiab cov ntaub so ntswg hypoxia- cov ntsiab lus tseem ceeb ua rau kev kho mob qeeb thiab cov nqaij mos necrosis hauv hluav taws xob raug mob. Nyob rau hauv ib puag ncig hyperbaric, ib feem ntawm cov pa oxygen hauv cov ntshav ntshav nce siab heev (txawm tias tsis muaj hemoglobin), tso cai rau cov pa oxygen mus rau hauv cov ntaub so ntswg hypoxic. Qhov kev ua kom muaj pa oxygen ntxiv no pab kho cov metabolism hauv cov hlwb ua haujlwm tau zoo, txo qis kev loj hlob ntawm cov kab mob anaerobic (uas feem ntau cuam tshuam rau hluav taws xob- raug mob), thiab tsim lub hauv paus rau kev kho cov ntaub so ntswg.
2.2 Txhawb nqa Angiogenesis thiab Tissue Regeneration
Radiation- ua rau muaj kev puas tsuaj rau cov hlwb endothelial tuaj yeem cuam tshuam lub cev lub peev xwm los tsim cov hlab ntsha tshiab (angiogenesis). Hyperbaric oxygen pab txhawb kev tsim cov vascular endothelial kev loj hlob zoo tshaj plaws (VEGF) thiab lwm yam pro-angiogenic yam, uas txhawb kev loj hlob thiab tsiv teb tsaws ntawm cov hlwb endothelial, yog li txhawb kev tsim kho ntawm microvasculature puas. Tsis tas li ntawd, HBOT txhim kho cov haujlwm ntawm fibroblasts, uas ua lub luag haujlwm tseem ceeb hauv collagen synthesis thiab granulation cov ntaub so ntswg tsim- cov txheej txheem tseem ceeb rau kev kho qhov txhab.
2.3 Modulating Inflammatory Responses
Kev raug mob hluav taws xob tuaj yeem ua rau cov lus teb tsis tu ncua uas tuaj yeem ua rau cov ntaub so ntswg puas. Hyperbaric oxygen pab tswj kev ua haujlwm ntawm cov hlwb inflammatory (xws li neutrophils thiab macrophages), txo qhov kev tso tawm ntawm pro-cov kab mob inflammatory cytokines thiab reactive oxygen hom (ROS). Qhov no los tiv thaiv -cov nyhuv inflammatory pab txo cov nqaij edema thiab oxidative kev nyuaj siab, tsim kom muaj ib tug zoo microenvironment rau cov ntaub so ntswg kho.
2.4 Txo Fibrosis
Kev raug mob hluav taws xob ntev feem ntau cuam tshuam nrog ntau dhau ntawm collagen deposition thiab cov ntaub so ntswg fibrosis, uas tuaj yeem ua rau lub cev tsis ua haujlwm (xws li, hluav taws xob-vim lub ntsws fibrosis, plab hnyuv). HBOT pab inhibit qhov ua kom cov myofibroblasts (cov hlwb thawj lub luag haujlwm rau collagen synthesis) thiab txhawb kev degradation ntawm collagen ntau dhau, uas tuaj yeem txo cov fibrosis thiab txhim kho cov ntaub so ntswg yooj thiab ua haujlwm.
3. Indications rau Hyperbaric Chamber kho nyob rau hauv hluav taws xob raug mob
Hyperbaric chamber therapy feem ntau suav hais tias yog hom hluav taws xob hauv qab no - raug mob, raws li cov txheej txheem kho mob thiab kev coj ua:
Radiation-induced ntawm daim tawv nqaij raug mob: suav nrog mob hluav taws xob dermatitis (mob erythema, hlwv, rwj) thiab mob hluav taws xob ntawm daim tawv nqaij puas (tsis yog - kho rwj, daim tawv nqaij necrosis, fibrosis).
Radiation-induced osteoradionecrosis (ORN): Necrosis ntawm cov pob txha thiab ib puag ncig cov ntaub so ntswg uas tshwm sim los ntawm hluav taws xob, feem ntau cuam tshuam rau lub puab tsaig (tom qab lub taub hau thiab caj dab hluav taws xob kho) thiab pob txha pelvic.
Radiation cystitis thiab proctitis: Cov kab mob o thiab mob ntawm lub zais zis los yog qhov quav uas tshwm sim los ntawm lub plab pelvic radiation, yam ntxwv los ntawm hematuria, dysuria, los yog qhov quav los ntshav.
Kev xa hluav taws xob qeeb-induced qhov txhab kho: Cov qhov txhab (xws li, phais incisions, traumatic qhov txhab) nyob rau hauv yav tas los irradiated qhov chaw uas tsis kho nrog cov pa kev kho mob.
Radiation-induced neuropathy: paj hlwb puas los ntawm hluav taws xob, ua rau mob, loog, los yog lub cev muaj zog dysfunction, qhov twg cov ntaub so ntswg hypoxia ua rau cov tsos mob persistence.
4. Hyperbaric Chamber Treatment Protocol rau Radiation Injury
4.1 Pre-Kev Ntsuas Kev Kho Mob
Ua ntej yuav mus rau HBOT, kev ntsuam xyuas dav dav yog tsim nyog los xyuas kom meej qhov kev kuaj mob ntawm hluav taws xob raug mob, ntsuas qhov kev puas tsuaj ntawm cov ntaub so ntswg, thiab tsis suav nrog contraindications (xws li, tsis kho pneumothorax, mob hnyav mob ntsws, tsis tuaj yeem tswj tau claustrophobia). Kev ntsuam xyuas yuav suav nrog kev kuaj lub cev, kev tshawb fawb txog kev kuaj pom (ultrasound, CT, MRI), kuaj ntshav, thiab kab mob qhov txhab (yog tias xav tias muaj kab mob).
4.2 Kev Kho Mob Parameters
HBOT cov txheej txheem rau kev raug mob hluav taws xob feem ntau suav nrog cov hauv qab no, uas tuaj yeem hloov kho raws li tus neeg mob tus mob:
Siab: 2.0-2.5 atmospheres absolute (ATA). Kev kub siab siab tuaj yeem siv rau cov mob hnyav (xws li, osteoradionecrosis siab heev) nyob rau hauv kev saib xyuas.
Oxygen concentration: 100% kev kho mob oxygen.
Kev kho lub sijhawm: 90-120 feeb ib zaug (nrog rau kev nce siab, ua pa oxygen, thiab theem txo qis).
Kev kho ntau zaus: 5-7 zaug hauv ib lub lis piam, nrog rau tag nrho cov chav kawm ntawm 20-40 zaug. Qhov ntev ntawm chav kawm yuav raug kho raws li qhov hnyav ntawm kev raug mob thiab kev kho qhov txhab.
4.3 Intra-Kev Saib Xyuas Kev Kho Mob
Thaum txhua qhov kev sib tham HBOT, kev soj ntsuam tas li ntawm cov neeg mob cov cim tseem ceeb (lub plawv dhia, ntshav siab, oxygen saturation) tau ua. Tsis tas li ntawd, cov tsos mob ntawm oxygen toxicity (xws li, convulsions, pom kev cuam tshuam) los yog barotrauma (xws li, mob pob ntseg, sinus siab, mob ntsws) raug soj ntsuam. Cov kws saib xyuas neeg mob lossis kws kho mob hyperbaric nyob rau ntawm -qhov chaw kom sai sai rau cov xwm txheej tsis zoo uas yuav tshwm sim.
4.4 Tshaj tawm-Kev Kho Mob Ua raws-Up
Tom qab ua tiav HBOT, cov neeg mob tau txais kev ua raws li niaj zaus- cov kev ntsuas ntsuas los ntsuas qhov mob zoo, cov ntaub so ntswg rov ua haujlwm, thiab cov tsos mob rov tshwm sim dua. Rau kev raug mob tsis tu ncua lossis kev raug mob hnyav, cov kev kawm ntxiv ntawm HBOT yuav raug txiav txim siab. Kev kho mob sib xyaw ua ke (xws li, kho qhov txhab, tshuaj tua kab mob, kev kho mob) feem ntau txuas ntxiv nrog HBOT txhawm rau txhim kho cov txiaj ntsig kho mob.
5. Contraindications thiab phiv
5.1 Contraindications
HBOT tsis pom zoo rau cov neeg mob uas muaj cov xwm txheej hauv qab no, vim nws yuav ua rau muaj kev pheej hmoo:
Tsis kho pneumothorax (kev pheej hmoo ntawm lub ntsws rupture nyob rau hauv siab ntxiv).
Mob hnyav obstructive pulmonary disease (COPD) nrog hypercapnia (tsis muaj peev xwm tshem tawm cov pa roj carbon dioxide ntau dhau, uas tuaj yeem ua rau hnyav dua los ntawm kev kho oxygen).
Qee lub plawv tsis xws luag (piv txwv li, kab mob plawv cyanotic nrog txoj cai - mus rau - sab laug shunts, qhov twg cov ntshav oxygenated shunted tawm ntawm cov ntaub so ntswg).
Cov qog nqaij hlav qog nqaij hlav (kev pheej hmoo ntawm kev txhawb nqa qog nqaij hlav, txawm hais tias qhov no yog qhov tsis sib haum xeeb thiab HBOT yuav siv tau ceev faj hauv qee kis ntawm hluav taws xob- raug mob uas tsis muaj qog nqaij hlav).
Tsis tswj tau qaug dab peg lossis claustrophobia uas tswj tsis tau nrog tshuaj.
5.2 Cov teebmeem tsis zoo
Feem ntau cov teebmeem ntawm HBOT yog me me thiab thim rov qab. Cov feem ntau muaj xws li:
Barotrauma: Mob pob ntseg, mob sinus, lossis pob ntseg nruab nrab vim muaj kev hloov siab. Qhov no tuaj yeem txo qis los ntawm kev ua kom cov neeg mob ua haujlwm siab- sib npaug ntawm kev ua haujlwm (xws li nqos, yawning) thaum lub siab nce siab.
Oxygen toxicity: Tsis tshua muaj tus qauv kev kho mob siab, tab sis tuaj yeem tshwm sim raws li cov tsos mob hauv nruab nrab ntawm lub paj hlwb (convulsions, mob taub hau, xeev siab) lossis cov tsos mob ntsws (mob hauv siab, hnoos) nrog ntev lossis siab - raug mob.
Ib ntus myopia: tshwm sim los ntawm kev hloov pauv ntawm lub qhov muag ntawm lub qhov muag vim yog cov pa oxygen, feem ntau daws teeb meem hauv lub lis piam tom qab kev kho mob.
Fatigue: Feem ntau tom qab lub sij hawm ntev, feem ntau alleviated nrog so.
6. Cov pov thawj kho mob thiab cov txiaj ntsig
Ntau qhov kev tshawb fawb soj ntsuam tau tshawb nrhiav kev siv HBOT hauv kev kho hluav taws xob raug mob. Piv txwv li, nyob rau hauv cov neeg mob uas muaj hluav taws xob-induced osteoradionecrosis ntawm lub puab tsaig, kev tshawb fawb tau pom tias HBOT tuaj yeem txhim kho qhov mob ntawm qhov txhab, txo qhov mob, thiab txo qhov xav tau kev phais phais (xws li, pob txha resection) hauv qee kis. Ib yam li ntawd, rau hluav taws xob- ua rau cov tawv nqaij ua rau tawv nqaij, HBOT tuaj yeem ua kom cov ntaub so ntswg ua kom nrawm thiab kaw qhov txhab piv rau kev kho mob ib leeg.
Meta-Kev tshuaj ntsuam ntawm kev sim ntsuas randomized (RCTs) tau qhia tias HBOT tuaj yeem txhim kho cov txiaj ntsig kho tau zoo hauv cov hluav taws xob ntev ntev- ua rau lub qhov txhab raug mob thiab txo qhov kev pheej hmoo ntawm kev kis kab mob hauv osteoradionecrosis. Txawm li cas los xij, lub sijhawm zoo ntawm HBOT (thaum ntxov vs. ncua sijhawm tom qab raug hluav taws xob) thiab cov kev kho tshwj xeeb tseem yog cov kev tshawb fawb txuas ntxiv. Cov lus teb ntawm tus neeg mob tuaj yeem sib txawv nyob ntawm seb qhov kev raug mob, kev sib haum xeeb, thiab kev ua raws li kev kho mob.
7. Cov lus qhia yav tom ntej
Kev tshawb fawb yav tom ntej ntawm kev kho mob hyperbaric chamber rau kev raug mob hluav taws xob tsom rau cov hauv qab no:
Txhim kho cov txheej txheem kev kho mob (siab, ntev, zaus) raws li kev raug mob thiab qhov hnyav kom ua tau zoo tshaj plaws thiab txo qis kev cuam tshuam.
Tshawb nrhiav kev sib xyaw ua ke ntawm HBOT nrog rau lwm cov kev kho mob rov ua dua tshiab (xws li, kev kho cov qia cell, kev tswj hwm kev loj hlob) los txhim kho cov ntaub so ntswg.
Tsim cov biomarkers los kwv yees cov neeg mob teb rau HBOT, ua kom muaj kev npaj kho tus kheej.
Tshawb nrhiav kev siv HBOT hauv kev tiv thaiv kev raug mob hluav taws xob (xws li, ua ntej- hluav taws xob HBOT los tiv thaiv cov ntaub so ntswg ib txwm muaj) thiab kho mob hluav taws xob mob hnyav (ARS) thaum muaj kev kub siab - koob tshuaj tawg.
8. Cov lus xaus
Hyperbaric chamber therapy yog ib qho kev kho mob tseem ceeb rau kev raug mob hluav taws xob. Nws ua haujlwm los ntawm kev txhim kho cov ntaub so ntswg oxygenation, txhawb kev angiogenesis, thiab tswj kev mob, yog li pab kho cov ntaub so ntswg thiab txhim kho cov txiaj ntsig kho mob. Nws yuav tsum raug sau tseg tias HBOT tsis yog ib qho kev daws teeb meem thoob ntiaj teb thiab yuav tsum tau siv ua ke nrog kev saib xyuas qhov txhab tsim nyog thiab kev kho mob txhawb nqa. Kev xyaum kho mob tau pom tias HBOT tuaj yeem nqa cov txiaj ntsig tseem ceeb rau cov neeg mob uas muaj ntau yam hluav taws xob- raug mob, los ntawm daim tawv nqaij mus rau osteoradionecrosis. Nrog kev tshawb fawb txuas ntxiv ntawm kev txhim kho cov txheej txheem kho mob thiab kev saib xyuas tus kheej, kev kho mob hyperbaric oxygen xav tau los ua lub luag haujlwm tseem ceeb hauv kev tswj hwm kev raug mob hluav taws xob.