Laryngospasm n’obutakola bulungi mu misuwa gy’eddoboozi (Inducible Laryngeal Obstruction): Inspiratory Stridor, Larson’s Jaw-Thrust Maneuver, n’okuddamu okuwunyiriza mu kussa¶

Obutasobola bwa mangu, obw’entiisa okusika empewo okuyita mu mumiro kiyinza okuva ku bizibu bibiri ebikwatagana ennyo eby’emirimu gy’emisuwa gy’eddoboozi: acute reflex laryngospasm (okuggalawo okw’amaanyi, okutali kwa kyeyagalire, okujjuvu oba okumpi okujjuvu kw’emisuwa gy’eddoboozi egy’amazima n’egya bulimba nga gitabaganyizibwa obusimu bw’ennyindo obw’okungulu) ne obutakola bulungi mu miguwa gy’eddoboozi (VCD), kati esengekeddwa mu butongole ebibiina by’ensi yonna ebikola ku by’okussa nga inducible laryngeal obstruction (ILO) (paradoxical adduction of the vocal cords toward the midline during inhalation okusinga okugguka ennyo nga bwe zandibadde mu budde obutuufu). Wadde nga okusannyalala kw’ennyindo okujjuvu ddagala eriwunyiriza obulamu, oluvannyuma lw’okufulumya omukka, okubbira mu mazzi, oba asidi-reflux airway emergency eyinza okuvaamu hypoxia ey’amaanyi, bradycardia, oba negative-pressure pulmonary edema mu sikonda 60 ku 120 singa temenyese mu mubiri, awake inducible laryngeal obstruction (VCD/ILO) bwe kiri okusannyalala okutali kwa bulabe, okwekomya okukola okuva ku dduyiro ow’amaanyi, asidi okuddamu okufuluma, empewo ennyogovu, okuwunya kw’eddagala okw’amaanyi, okutonnya oluvannyuma lw’ennyindo, oba situleesi ey’amaanyi etera okuzuulibwa obubi ng’embeera y’obulamu ey’akabi ng’obulwadde bwa asima oba anaphylaxis. Olw’okuba embeera zombi zifunza ekitundu ky’omubiri ekiyitibwa glottic chink ku ddaala ly’ennyindo mu bulago, zifulumya eddoboozi ery’omwanguka, ery’amaanyi, ery’omuziki oba ery’okukoona ng’assa IN (inspiratory stridor) ng’omulwadde asonga butereevu mu mumiro gwe, okwawukana ku bulwadde bwa asima obw’omu nnyindo, obufunza emikutu gy’empewo egya wansi munda mu kifuba n’okuleeta okuwuuma okusinga nga ossa OUT (okufuuwa omukka). Singa omuntu afuna stridor mu bwangu, tasobola kwogera oba kussa, alaga emimwa egya bbululu (cyanosis), okuzimba ensingo oba olulimi, oba okuzirika, kuba essimu y’omu kitundu kyo ennamba z’amangu amangu ago (911 mu Amerika ne Canada, 112 okwetoloola omukago gwa Bulaaya, 999 mu Bungereza). Era weetegereze ebiragiro byaffe ebikolagana nabyo ku okulumbibwa asima, . obulwadde bwa epiglottitis, croup, ne stridor, era alergy n’okusannyalala.

Ekintu ky’olina okukulembeza amangu kwe kukebera obubonero obwa bendera emmyufu obw’okuzibikira ddala kw’emikutu gy’empewo egy’ebyuma oba anaphylactic (okuziyira kw’omubiri ogw’ebweru, okuziyira kw’emimwa oba olulimi, okuzimba amalusu, oba okukendeera kw’okutegeera), ssaako Larson’s maneuver (firm bilateral inward and upward pressure at the laryngospasm notch right behind the earlobe combined with a forward jaw thrust) singa acute complete laryngospasm ekubye omulwadde ataddamu oba oluvannyuma lw’okukkakkanya, era atendeka omulwadde azuukuse okuyita mu Double Nasal Sniff and Pursed-Lip Exhale (oba Panting Reset) okuwamba (okuggulawo) emiguwa gy’eddoboozi mu ngeri ey’okulowooza mu sikonda ntono.

Kino kikole kati¶

1. Kebera mangu oba bbendera emmyufu ezitta obulamu era kuba ku nnamba y’amangu mu kitundu kyo bw’oba waliwo. Kuba 911 mu Amerika ne Canada, 112 okwetoloola omukago gwa Bulaaya, 999 mu Bungereza, 000 mu Australia, oba kebera ku ndagiriro yaffe ey’ensi yonna eya ennamba z’amangu singa kino kye kitundu ekisooka omuntu ky’afuna obulwadde bwa stridor, singa yali alya nga tannatandika (okuziyira), bwe baba nga balina ebizimba oba emimwa oba olulimi okuzimba (okukwatibwa alergy), bwe baba n’omusujja n’okufulumya amalusu (obulwadde bwa epiglottitis), oba singa emimwa gyabwe gifuuka bbululu oba nga gisobeddwa oba nga tebaddamu.
2. Singa Omuntu Azuukuse Abeera n’okusannyalala kw’amaloboozi okw’amangu (VCD / ILO) oba Post-Cough Paroxysmal Laryngospasm: Batuule nga beegolodde ng’ebibegabega bisuuliddwa mu maaso era obikomye okussa omukka ng’oyita mu kamwa akaggule. Okufuuwa omukka ennyo ng’oyita mu kamwa akagazi kireeta empewo ey’akavuyo mu sipiidi ey’amaanyi okuyita mu nnyindo, esonseka emisuwa gy’amaloboozi nga ginywevu wamu okuyita mu the Bernoulli vacuum effect era ekala ekitundu ky’omubiri ekiyitibwa laryngeal mucosa.
3. Tendeka "Double Nasal Sniff + Long Pursed-Lip Exhale" (EILOBI / Okuddamu okutendeka okussa):
4. Eddaala A (Okusooka Okufulumya omukka): Gamba omuntu oyo afuuwe empewo ye esigaddewo mpola ng’ayita mu mimwa egy’okunywezebwa egifubuddwa (nga bw’afuuwa ng’ayita mu ssigiri ya kaawa enfunda oba ng’afuuwa ennimi z’omuliro gwa kandulo nga tagifuuwa) okumala sekondi 3 ku 4. Okussa omukka ku mimwa egy’ennyiriri kireeta 5 ku 10 cmH2O ya puleesa y’emabega (intrinsic PEEP) esika emiguwa gy’eddoboozi mu ngeri ey’empewo.
5. Eddaala B (The Nasal Sniff): Baggale akamwa kaabwe, bawummuze akawanga n'emimiro, era batwale okuwunyiriza okw'amangu, okugonvu emirundi ebiri MU nga bayita mu nnyindo (nga balinga abawunyiriza ekimuli). Okuwunyiriza okuyita mu nnyindo kikola enkola ey’amaanyi ey’ekikolo ky’obwongo (brainstem reflex) okuyita mu kinywa kya posterior cricoarytenoid muscle (ekinywa kyokka ekiwamba ennyindo) ekiwaliriza emisuwa gy’eddoboozi okugguka.
6. Eddaala C (The Panting / Straw Breath Alternative): Ennyindo yaabwe bw’eba ezibye, bafune bafuuwa mangu ng’embwa ng’olulimi luwummudde wansi w’akamwa, oba bafuuwa mpola nga bayita mu kifo ekifunda wakati w’emimwa egy’okusiba nga bwe bagaziya olubuto lwabwe (diaphragmatic breathing).
7. Singa Complete Silent Laryngospasm Strikes (Zero Airflow Wadde nga Ekifuba Kizitowa, oba Post-Anesthesia / Post-Reflux / Drowning Spasm): Kola LARSON'S MANEUVER amangu ddala.
8. Funa ensonga ya Larson ( the "laryngospasm notch") ku njuyi zombi ez'omutwe: akawuuwo akatono ak'amagumba akakoma mu maaso n'ekisenge ekigenda waggulu (empenda y'emabega) ey'eggumba ly'akawanga erya wansi, emabega n'enkola ya mastoid emabega w'okutu, ate waggulu n'omusingi gw'ekiwanga, emabega ddala w'olubuto lw'okutu.
9. Teeka ensonga z'engalo zo eza eza wakati oba eza index mu buziba mu notches zombi era onyige n'amaanyi munda ng'oyolekera wakati w'ekiwanga ne mu maaso/waggulu ng'oyolekera ennyindo mu kiseera kye kimu ng'ositula akawanga aka wansi mu strong forward jaw thrust.
10. Larson’s maneuver mu makanika egolola emisuwa gya geniohyoid ne thyrohyoid okusika epiglottis n’emisuwa gy’eddoboozi ery’obulimba nga bwe givaako okusikirizibwa okw’amaanyi okw’obusimu bw’omutwe okumenya vagal laryngospasm reflex arc mu sikonda 5 ku 15.
11. Singa Omuntu Amanyi Asthma nga kwotadde ne Vocal Cord Disfunction: Kozesa rescue salbutamol (albuterol) inhaler yaabwe ne spacer bwoba tokakasa, kuba okutuuka ku 30 ku 50 ku buli 100 ku balwadde ba VCD balina asthma okubeera awamu. Wabula, kitegeere nti beta-2 agonist inhalers ne epinephrine teziwummuza striated laryngeal muscle mu pure vocal cord dysfunction, kale okuddamu okutendeka okussa kulina okukolebwa ku mabbali g’okukozesa kwonna okw’ekyuma ekissa.
12. Funa akatono ku mazzi ag'ebbugumu mu kisenge (omulundi gumu gwokka omuntu asobola okussa omukka omugonvu era nga taziyira ku mmere) oba okukuba eddoboozi erya wansi ("Mmmmmm"). Bombi pharyngeal swallowing reflex ne low-pitch humming (phonation) reset disordered brainstem laryngeal motor signaling and relax hypertonic thyroarytenoid and ebinywa bya cricoarytenoid eby’ebbali.

Omuti gw’okusalawo mu bujjanjabi: stridor ey’okussa, VCD/ILO, n’okuzimba ennyindo mu bujjuvu¶

flowchart TD
    A["Okutandika okw’amangu okw’okunyiga emimiro, okukaluubirirwa okussa IN, oba okussa mu ddoboozi ery’omwanguka"] --> B{"Check Consciousness, Airflow, and Anaphylaxis / Foreign Body Signs"}
    B -->|Unconscious, cyanotic, silent chest with tracheal tug, or post-sedation/drowning| C["COMPLETE LARYNGOSPASM OR CHOKING: Call EMS (911/112/999); verify no foreign body; immediately perform LARSON'S MANEUVER + Jaw Thrust + 100% O2 positive pressure (CPAP 10 to 20 cmH2O)"]
    B -->|Swollen lips/tongue, generalized hives, hypotension, or exposure to allergen| D["ANAPHYLAXIS OR ANGIOEDEMA: Inject Intramuscular Epinephrine (0.3 to 0.5 mg) into outer mid-thigh immediately and call EMS"]
    B -->|Fever, drooling, tripod posture, muffled hot-potato voice, or barking cough| E["EPIGLOTTITIS OR CROUP: Keep patient calm and upright; do NOT inspect throat with spoon; call EMS immediately"]
    B -->|Awake, alert, no hives/swelling, pointing to throat; loud inspiratory stridor triggered by exercise, cough, reflux, scent, or stress| F["Inducible Laryngeal Obstruction (VCD / ILO) or Awake Paroxysmal Laryngospasm"]
    F --> G["Step 1: Sit upright leaning slightly forward; drop shoulders; relax jaw and neck muscles"]
    G --> H["Step 2: Exhale slowly through tightly PURSED LIPS for 4 seconds (creates positive back-pressure to push cords open)"]
    H --> I["Step 3: Take 2 gentle NASAL SNIFFS in through nose (or pant like a dog / breathe through a imaginary straw) using belly breathing"]
    I --> J{"Did stridor and throat tightness resolve within 1 to 3 minutes?"}
    J -->|Yes (Typical VCD / Awake Laryngospasm resolution)| K["Sip water slowly; avoid triggers (reflux, cold air, irritants); arrange outpatient laryngoscopy and Speech-Language Pathology (EILOBI) therapy"]
    J -->|No: Stridor persists > 3 to 5 minutes, SpO2 drops below 92%, or severe distress| L["Call EMS (911/112/999) for Emergency Department evaluation, flexible nasolaryngoscopy, CPAP, or Heliox (80:20 helium-oxygen)"]
    C --> M["Hospital / Anesthesia Escalation if Larson Maneuver + CPAP fail: IV Propofol (0.25 to 0.8 mg/kg) or IV Succinylcholine (0.1 to 1.0 mg/kg) + tracheal intubation"]

Pathophysiology: How the Larynx Works and Why the Vocal Cords Slam Shut¶

The human larynx (voice box) serves three critical biological functions: maintaining an open airway for breathing, producing voice (phonation), and acting as a protective sphincter valve to prevent food, liquid, and stomach acid from entering the lungs during swallowing.

Normal Vocal Cord Movement vs Paradoxical Adduction (ILO) vs Complete Laryngospasm¶

1. Normal Respiration:
2. During Inhalation (Breathing In): The respiratory center in the medulla oblongata fires signals down the recurrent laryngeal nerve to contract the posterior cricoarytenoid (PCA) muscle, the only muscle in the entire human body that opens (abducts) the vocal cords. The vocal cords swing wide apart into a broad V-shape, allowing silent, laminar airflow into the trachea.
3. During Exhalation (Breathing Out): The vocal cords relax slightly toward the midline (narrowing by 10 to 30 percent) to maintain mild physiological positive end-expiratory pressure.
4. Inducible Laryngeal Obstruction (Vocal Cord Dysfunction / VCD):
5. In patients with VCD / ILO (including Exercise-Induced Laryngeal Obstruction [EILO] in competitive athletes), chronic irritation of the laryngeal mucosa (from silent laryngopharyngeal acid reflux, post-nasal drip, or inhaled irritants) or autonomic hyper-reactivity causes the adductor muscles (lateral cricoarytenoid, thyroarytenoid, and interarytenoid muscles) to contract paradoxically during inhalation (or causes the aryepiglottic folds above the cords to prolapse inward during peak exercise).
6. Instead of opening into a wide V when the person breathes in, the anterior two-thirds of the vocal cords slam together toward the midline, leaving only a tiny posterior diamond-shaped chink at the back of the glottis through which air whistles with a high-pitched inspiratory stridor.
7. Acute Complete Reflex Laryngospasm:
8. Mediated via the internal branch of the superior laryngeal nerve (a branch of the Vagus Nerve, CN X), complete laryngospasm is an exaggerated, primitive brain-stem protective reflex designed to keep water or vomit out of the lungs.
9. When a droplet of microscopic stomach acid (laryngopharyngeal reflux / LPR), thick post-nasal mucus, blood, water (during swimming or drowning), or a violent coughing fit (such as Bordetella pertussis whooping cough or post-viral vagal neuropathy) hits the hypersensitive laryngeal vestibule, the true vocal cords, false vocal cords (vestibular folds), and aryepiglottic folds all contract into a sustained tetanic spasm simultaneously.
10. Unlike normal swallowing closure (which lasts 0.5 seconds), reflex laryngospasm locks the glottis shut for 15 to 90 seconds even after the irritant is gone.

Side-by-side comparison: Vocal Cord Dysfunction (ILO) vs Asthma Attack vs Anaphylaxis vs Foreign Body Choking¶

Because up to 40 percent of patients with Vocal Cord Dysfunction are misdiagnosed for years as having "refractory brittle asthma", sometimes receiving unnecessary high-dose oral corticosteroids, intramuscular epinephrine injections, or even emergency endotracheal intubation, every emergency responder and patient should know these classic distinguishing features:

Obulagirizi obukwata ku mutendera ku mutendera ku Larson’s Maneuver (The Laryngospasm Notch Technique)¶

Kyannyonnyoddwa omusawo akola ku by’okubudamya Dr. C. Philip Larson Jr. era nga yalongoosebwa mu myaka amakumi ana egy’enkola y’obujjanjabi, Larson’s maneuver ye nkola emu esinga okukola obulungi etali ya ddagala ey’omubiri okumenya acute complete or severe partial laryngospasm (ka kibeere nga kibeerawo oluvannyuma lw’okufulumya eddagala erisumulula erya bulijjo, mu kiseera ky’okukkakkanya mu nkola ne ketamine, mu kiseera ky’okununula okukka, oba mu kiseera ky’okununula ennyo awake paroxysmal laryngospasm attack omulwadde gy’atasobola kussa n’akatono).

Ebifo ebimanyiddwa mu mubiri (anatomical landmarks of the Laryngospasm Notch) (Larson’s Point) .¶

Ku njuyi zombi ez’omutwe, amangu ddala emabega w’ebitundu by’amatu, watuula ekifo ekizitowa eky’ekika kya pyramidal ekiyitibwa laryngospasm notch: - Ensalosalo ey’omu maaso (Front Wall): Ensalo ey’emabega eya ascending ramus ne condyle of the mandible (lower jawbone). - Ensalosalo y’emabega (Bbugwe w’emabega): Ensalo ey’omu maaso ey’amagumba enkola ya mastoid ey’eggumba ery’ekiseera emabega w’okutu. - Superior Boundary (Roof): omusingi gw’ekiwanga wansi ddala w’omukutu gw’okuwulira ogw’ebweru (omukutu gw’amatu) n’enkola ya styloid. - Ekibeera Munda Mu Notch: Omusuwa gwa stylohyoid, omugogo gw’obusimu bwa ffeesi (CN VII), amatabi g’obusimu bwa glossopharyngeal (CN IX) ne vagus (CN X), ne parotid fascia.

Engeri y'okukolamu Larson's Maneuver mu Mitendera 4¶

1. Weeteeka emabega oba ng’otunudde mu mulwadde: Yimirira ku mutwe gw’ekitanda (omulwadde bw’aba agalamidde) oba butereevu emabega/ku mabbali g’omulwadde atudde.
2. Teeka Engalo Zo eza Wakati oba eza Index Deep into Both Laryngospasm Notches: Serengesa paadi z’engalo zombi eza wakati (oba index fingers) butereevu emabega w’ebitundu by’amatu mu kinnya ekigonvu eky’enjuyi essatu wakati w’empenda y’emabega w’eggumba ly’akawanga n’eggumba erya mastoid, waggulu ddala ku bbwa okumpi n’omukutu gw’amatu.
3. Nyiga n’amaanyi munda (Mu makkati) Okwolekera wakati w’ekiwanga: Siiga puleesa ennywevu, enzito munda ng’oyolekera okutu okulala. Kino kivaamu okusikirizibwa okw’amaanyi, okusongovu okw’omu lubuto ku nkola ya styloid n’amatabi g’obusimu bw’omutwe.
4. Simultaneously Pull Forward and Upward (Anterior-Cephalad Jaw Thrust) Toward the Nose: Nga onyiga munda mu notch, kwata engalo zo emabega wa angle/ramus ya mandible era situla akawanga konna aka wansi n’amaanyi mu maaso (ositula amannyo aga wansi mu maaso g’amannyo aga waggulu).

Lwaki Enkola ya Larson ekola (Enkola ya Dual Mechanical and Neurological Mechanism) .¶

• Mechanical Supraglottic Unfolding: Okusika mandible n’amaanyi mu maaso kigolola ebinywa bya geniohyoid, mylohyoid, ne thyrohyoid ne hyoepiglottic ligament, nga kisika eggumba lya hyoid n’omusingi gw’olulimi mu maaso. Kino mu mubiri kibikkula ebitundu by’amaloboozi ebisibiddwa (buckled aryepiglottic folds) era ne kisika emiguwa egy’obulimba okuva ku miguwa gy’eddoboozi egy’amazima.
• Central Autonomic / Vagal Reflex Interruption: Puleesa enzito ey’amaanyi munda mu laryngospasm notch esitula somatic afferent fibers ez’obusimu bwa trigeminal (CN V), facial (CN VII), ne glossopharyngeal (CN IX), ne zisindika overriding central impulse eri nucleus tractus solitarius ne nucleus ambis mu brainstem nti eziyiza hyperactive superior laryngeal nerve motor arc, ekivaako emisuwa gy’eddoboozi okuwummulamu ne giwuubaala mu sekonda 5 ku 15 (emirundi mingi nga giwerekerwako okusinda oba okumira okuwulikika).

Obulagirizi obukwata ku mutendera ku mutendera ku Awake Vocal Cord Reset Breathing (Okuwunyiriza, Okussa, ne EILOBI)¶

Omutiini, munnabyamizannyo, oba omuntu omukulu bw’aba azuukuse nnyo era ng’afuna ekizibu eky’amaanyi ekya Vocal Cord Dysfunction (ILO) oba post-cough / post-reflux paroxysmal laryngospasm (ekyeyoleka ng’okunyiga emimiro mu ngeri ey’entiisa n’okuwuuma okw’amaanyi okw’okussa), tomuleetera puleesa eruma okuggyako ng’ozibye ddala mu kasirise kibaawo. Wabula, balungamye okuyita mu bukodyo buno obwesigamye ku bujulizi obwa Speech-Language Pathology (SLP) okununula ennyindo:

Akakodyo 1: Okuwunyiriza mu nnyindo + Okufulumya omukka mu mimwa egy'okusiba ("Okuwunyiriza-okuwunyiriza-okufuuwa")¶

1. Posture Reset: Tuula omuntu oyo nga yeegolodde ku mabbali g’entebe, awummuze emikono gye egy’omu maaso ku bisambi (tripod oba relaxed forward lean), asuule ebibegabega bye okuva ku matu ge, n’okusumulula amannyo ge.
2. Fuwa omukka Sooka Ng'oyita mu Mimwa egya Pursed: Balagirire: "Togezaako kunuuna mpewo mu kiseera kino. Pucker emimwa gyo nga bw'ofuuwa enfuufu era ofuuwe empewo gy'olina ebweru mpola okumala sekondi 4: Sssssss oba Fffffff." Puleesa eno ennungi ey'okussa esika emiguwa gy'amaloboozi egya adducted okuva wansi.
3. Double Nasal Sniff In: Balagirire: "Kuuma akamwa ko nga kaggaddwa era otwale ebiwunyiriza bibiri eby'amangu, ebitangaavu mu nnyindo yo, ng'okuwunyiriza rose: Sniff, sniff." Okuwunyiriza ennyindo maximally recruits the posterior cricoarytenoid muscle, forcing the vocal cords into wide abduction.
4. Ddamu okumala Cycles 5 ku 10: Mu mukka 3 ku 5, stridor ow’amaloboozi amangi egonvuwa n’ebula.

Akakodyo 2: Okuzzaawo Okussa (Nnyindo Nga Zizibiddwa) .¶

Omuntu oyo bw’aba alina okuzimba ennyindo oba nga tasobola kuwunyiriza mu nnyindo ye: 1. Baggule akamwa katono era olulimi lwabwe luwummule nga luweweevu era nga lugazi wansi w'akamwa emabega w'amannyo ag'omu maaso aga wansi. 2. Babeere bafuuwa mangu era mu ngeri etali nnene nga hot dog (empale 2 ku 3 ezitali nnene buli sikonda) okumala sekondi 5 ku 10, oluvannyuma bafulumye mpola nga bakozesa emimwa. 3. Okussa obutasalako kusitula ekikolo ky’obwongo ekikola ennyimba z’okussa okukuuma ekinywa ky’emabega ekya cricoarytenoid nga kikonziba, okulemesa emisuwa gy’eddoboozi okukuba nga giggaddwa wakati mu kussa.

Enkola 3: Okussa EILOBI (Exercise-Induced Laryngeal Obstruction Biphasic Inspiration) eri bannabyamizannyo¶

Ekoleddwa naddala abakugu mu by’emizannyo mu Scandinavia n’ensi yonna abajjanjaba ennyindo eri abaddusi abavuganya, abawuzi, abavuzi b’obugaali, n’abavuzi abafuna okuggalawo okw’amaloboozi (supraglottic oba glottic closure) nga bafuba nnyo (EILO): 1. Nga bagenda mu maaso oba ng’akendeeza ku kutambula kwabwe, omuzannyi asooka kussa ng’ayita mu amannyo agayungiddwa katono oba emimwa egy’okunyiga (okuleeta okuziyiza okutono mu kamwa) okumala ekitundu ekisooka eky’okussa, olwo n’aggulawo obulungi akamwa nga agaziya embiriizi eya wansi n’olubuto (diaphragmatic excursion) nga tasitula bisambi oba okusika omuguwa gw’ensingo ogw’omu maaso ebinywa. 2. Lwaki kikola: Okutondawo okuziyiza okutono okw’omu kamwa ku mimwa kikyusa okukka kwa puleesa mu maaso okutuuka mu kamwa mu kifo ky’okukka ku nnyindo, okumalawo okusonseka kwa Bernoulli okubi okuyita mu bitundu by’amaloboozi (aryepiglottic folds) n’emiguwa gy’eddoboozi.

Paroxysmal Laryngospasm (Okuzuukuka ng’ossa omukka ekiro) Okwekuusa ku tulo n’okudda emabega (Reflux-Induced Paroxysmal Laryngospasm) .¶

Ekimu ku bintu ebisinga okutiisa omuntu ye okusannyalala kw’ennyindo okwekuusa ku tulo: omuntu azuukuka ng’asimbiddwa nga yeegolodde okuva mu tulo otungi mu ttumbi nga tasobola ddala kussa ttonsi limu ery’empewo, n’akola eddoboozi ery’okukoona ery’amaanyi ery’okuggwaamu essuubi (oba okusirika ddala) okumala sekondi 15 ku 45 era n’awulira nga mukakafu nti banaatera okufa, ng’emimiro teginnamaliriza kugguka n’a okusinda omukka ogw’amaanyi.

• Ekivaako ekikulu (Silent Laryngopharyngeal Reflux / LPR): Bw’oba ​​ogalamidde ekiro, akatono akatono aka asidi w’omu lubuto ne pepsin katambula waggulu mu nnywanto nga kayita ku nnyindo ey’okungulu n’etonnya ku nnyindo ey’emabega (the interarytenoid notch). Okwawukanako n’omumwa gwa nnabaana (ekiyinza okugumira okubeera mu asidi mu kiseera ekitono), ekitundu ky’omubiri ekiyitibwa laryngeal mucosa kirina kumpi zero carbonic anhydrase defense; ettondo limu erya asidi livaako chemoreflex laryngospasm ey’amangu, ey’amaanyi okukuuma amawuggwe.
• Engeri y'okumenyawo Obulwadde bw'okusannyalala kw'ekiro:
• Yimiriza oba tuula bolt nga weegolodde amangu ddala (ayimiriza okuddamu okufuluma kwa asidi).
• Nyigiriza okwagala okusinda omukka ogw’amaanyi ng’oyita mu kamwa akaggule; amangu ago fuuwa ng’oyita mu mimwa egy’ennyindo n’ofuna obuwoowo obutonotono obw’ennyindo.
• Amangu ddala ng’akawuuwo akatono ak’empewo kayise, nywa akamwenyumwenyu kamu akatono ak’amazzi agakuumiddwa ku kitebe ky’ekiro omira. Ekikolwa eky’ebyuma eky’okumira kivaako okuddamu okutereeza ekikolo ky’obwongo ekisumulula amangu ddala ekitundu ky’omubiri ekiyitibwa laryngeal sphincter.
• Engeri y’okuziyiza okulumbibwa ekiro: Yimiriza emmere yonna n’amazzi waakiri essaawa 3 nga tonnagenda kwebaka, waggulu omutwe gw’ekitanda sentimita 15 ku 20 (yinsi 6 ku 8) oba weebake ku mutto ogw’ekika kya wedge oguserengese (okusula ku oludda olwa kkono kikuuma ekifo ky’omu lubuto n’omumwa gwa nnabaana waggulu w’ekidiba kya asidi w’olubuto), era weebuuze ku ENT oba omusawo w’omu lubuto mu bujjanjabi bw’eddagala eriziyiza ppampu ya proton (PPI) n’obujjanjabi bwa alginate raft.

Enzirukanya y’eddwaliro n’okubudamya obulwadde bwa Refractory Laryngospasm¶

Mu kitongole ky’abalwadde ab’amangu mu ddwaaliro, ekisenge ky’abalwadde abayi, oba ekisenge omulongoosebwa (nga oluvannyuma lw’okuggyibwako amatu g’abaana, okukebera endoscopy eya waggulu, oba okukkakkanya ennyindo mu nkola ya ketamine), singa okusannyalala kw’ennyindo mu bujjuvu tekutumenya mu sikonda 15 ku 30 okuva ku Larson’s maneuver + chin lift, abasawo bakola enkola y’okulinnyisa amangu nga tebannaba kukendeera mu mukka gwa mukka oba okuzimba amawuggwe mu puleesa embi (NPPE) . akulaakulanya:

1. Ggyawo Irritant Stimulus: Sonka mpola omusaayi, amalusu, oba ebifuluma okuva mu hypopharynx waggulu w’emisuwa gy’eddoboozi era oggyewo ekyuma kyonna eky’omukutu gw’empewo ekiyitibwa supraglottic airway oba omukutu gw’empewo ogw’omu kamwa ogunyiga ennywanto.
2. 100% Oxygen Continuous Positive Airway Pressure (CPAP 10 to 20 cmH2O) ne Tight Two-Handed Mask Seal: Gatta Larson's maneuver n'enkwata ya masiki ya C-E ey'emikono ebiri ng'otuusa 100% oxygen ne 10 ku 20 cmH2O eya continuous positive airway pressure (CPAP) ng'oyita mu Mapleson circuit oba ensawo y’okubudamya. Weewale okusika ensawo mu ngeri ey’amaanyi ku puleesa enkulu singa emiguwa giba gisibidde ddala, kubanga puleesa ezisukka mu 25 cmH2O ewaliriza empewo okukka mu nnywanto mu lubuto (okufuuwa omukka mu lubuto), n’esika waggulu ku nnabaana.
3. Sub-Hypnotic Intravenous Propofol (First-Line Pharmacological Breaker): Muwe akapiira akatono aka Propofol (0.25 ku 0.8 mg/kg IV) mu misuwa. Okunyweza eddagala erikkakkanya n’eddagala lya propofol erya ddoozi entono kimenya ebitundu 75 ku 85 ku 100 eby’okuzimba ennyindo ezitaziyiza oluvannyuma lw’okufulumya oba okukkakkanya mu sikonda 15 nga tekyetaagisa kusannyalala oba kuddamu kussa.
4. Succinylcholine eyingizibwa mu misuwa oba mu binywa (Gold-Standard Neuromuscular Blockade): Singa obutaba na mukka gwa mukka gweyongera (SpO2 okukka wansi wa 85%) oba bradycardia ekula wadde nga propofol ne Larson’s maneuver:
5. Low-Dose IV Succinylcholine: 0.1 ku 0.25 mg/kg IV amangu ago awummuza ebinywa by’omusuwa gw’eddoboozi ebirina emisono mu sikonda 20 ku 30 ate ng’etera okukuuma okussa okw’okwekolako mu nnabaana.
6. Full-Dose IV Succinylcholine (1.0 ku 2.0 mg/kg IV) oba IM Succinylcholine (4.0 mg/kg IM mu deltoid oba quadriceps singa tewali layini ya IV eriwo): Esannyalaza ddala emiguwa gy’eddoboozi okuyingiza empewo ey’amangu n’okuyingiza endotracheal intubation, nga egattibwa ne IV Atropine (0.02 mg/kg) mu abaana abato okuziyiza obulwadde bw’omutima obw’amaanyi obuva ku hypoxic/succinylcholine.
7. Heliox (80% Helium / 20% Oxygen) for Severe Awake Refractory Stridor: Mu kitongole ky’abalwadde ab’amangu, abalwadde abalina stridor ey’amaanyi etaggwaawo nga bazuukuse mu mikutu gy’empewo egy’okungulu baddamu mangu ku Heliox (80:20 oba 70:30 helium-oxygen mixture) kubanga helium erina kimu kya musanvu ku density ya nayitrojeni, wansi Reynolds agaba ennamba, era n’akyusa okutambula kw’empewo okw’omu lubuto (turbulent glottic airflow) okudda mu okutambula kwa laminar okuseeneekerevu ate ng’amenya enzirukanya y’okusonseka kwa Bernoulli.

Ennamba z‟amangu mu bitundu n‟ebiragiro by‟obujjanjabi¶

• United States ne Canada: Kuba 911 ku stridor, cyanosis, anaphylaxis, oba laryngospasm yonna esoose. Goberera American Thoracic Society (ATS), American College of Chest Physicians (CHEST), ne American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS) ebiragiro ebikwata ku kukakasa laryngoscopy ekyukakyuka okukakasa Inducible Laryngeal Obstruction (ILO) n’obujjanjabi bw’okuddamu okutendeka okussa.
• United Kingdom: Kuba 999 ku acute stridor nga olina obuzibu mu kussa oba cyanosis. Enkola y’okukkaanya eya ** European Respiratory Society (ERS) / European Laryngological Society (ELS) / Royal Brompton Hospital** etegeeza nti Inducible Laryngeal Obstruction (ILO) ne Exercise-Induced Laryngeal Obstruction (EILO) era egamba nti okukebera ennyindo obutasalako mu kiseera ky’okukebera dduyiro (CLE) n’obujjanjabi obw’ekikugu mu kwogera n’olulimi.
• Omukago gwa Bulaaya: Kuba 112 mu mawanga gonna agali mu mukago gwa EU. Goberera ekigatta ERS / ELS / ACCP Task Force Task Force Consensus Statement ku mannya n’okuzuula ebizibu ebiziyiza ennyindo ebireetebwa.
• Australia ne New Zealand: Kuba 000 mu Australia oba 111 mu New Zealand. Goberera enkola ya Thoracic Society of Australia and New Zealand (TSANZ) ne Australian and New Zealand College of Anesthetists (ANZCA) enkola y’okuddukanya obuzibu bw’okuzimba ennyindo.

Ebibuuzo ebitera okubuuzibwa¶

Nsobola ntya okumanya enjawulo wakati w’obuzibu bw’amaloboozi (VCD / ILO) n’okulumbibwa asima?¶

Enjawulo esinga okweyoleka eri nti oba kizibu okussa IN oba OUT, era eddoboozi gye liva: mu Vocal Cord Dysfunction (inducible laryngeal obstruction), emiguwa gy’eddoboozi mu bulago bwo giggalawo mu ngeri ey’ekitalo ng’ossa, ne kiwulira ng’empewo ekubye ekisenge ku mumiro gwo n’eddoboozi ery’okukoona ery’amaanyi (stridor) ng’ossa, era ebitundu bitandika ne biyimirira mu ddakiika ntono nga ossa emitendera gisigala nga gya bulijjo. Mu kulumbibwa asima, obutuli obutono obuyitibwa bronchial tubes munda mu kifuba kyo bufunda, ekizibuyiza okussa empewo OUT n’okufuuwa empewo mu kifuba nga kyetaagisa ekyuma ekissa empewo (salbutamol/albuterol) era kitwala essaawa eziwera okugonjoola.

Larson’s maneuver kye ki era laryngospasm notch esangibwa wa?¶

Larson’s maneuver nkola ya mangu ey’omubiri ekozesebwa okumenya okuzimba ennyindo okw’amaanyi oba okujjuvu. Laryngospasm notch (Larson’s point) ye nsengekera entono eringa enjuyi essatu butereevu emabega w’ebitundu by’amatu byombi, esangibwa wakati w’olukonko lw’emabega olw’eggumba ly’akawanga erya wansi (mandibular ramus) mu maaso, eggumba erya mastoid emabega w’okutu emabega, n’omusingi gw’ekiwanga waggulu. Okunyiga ennyo munda ng’oyolekera wakati w’omutwe ng’engalo zo eza wakati zizitowa mu bitundu byombi ate mu kiseera kye kimu ng’osika eggumba ly’akawanga erya wansi n’amaanyi mu maaso n’okudda waggulu (okusika akawanga) kigolola ebitundu by’ennyindo ne kiggulawo era ne kireetera obusimu bw’omutwe obuwummuza okusannyalala kw’omusuwa gw’eddoboozi mu sikonda ntono.

Lwaki okuwunyiriza mu nnyindo n’okussa ng’oyita mu mimwa egy’okusiba kikomya okusannyalala kw’emisuwa gy’eddoboozi?¶

Emisuwa gyo bwe gisannyalala ekitundu nga giggaddwa, okussa ennyo ng’oyita mu kamwa akaggule kireeta omukka ogw’amaanyi (the Bernoulli effect) ogusonseka emisuwa gy’eddoboozi n’okusingawo. Okufuuwa empewo mpola ng’oyita mu mimwa egyasibiddwa obulungi kireeta puleesa ennungi ey’omugongo ennungi okuva wansi esika emiguwa gy’eddoboozi okwawukana, ate okuyingiza okuwunyiriza okugonvu emirundi ebiri okuyita mu nnyindo kikola ekiwujjo ekizimbibwamu eky’ekikolo ky’obwongo ekikuba ekinywa kya cricoarytenoid eky’emabega, ekinywa kyokka mu mubiri ekisika emiguwa gy’eddoboozi nga giggule.

Why do I sometimes wake up in the middle of the night gasping for air with my throat locked shut?¶

Waking up suddenly from sleep unable to pull air in for 15 to 45 seconds with a high-pitched stridor sound is classic sleep-related reflux laryngospasm. When you lie flat, a microscopic droplet of stomach acid and digestive enzyme (laryngopharyngeal reflux) can travel up your esophagus and touch your vocal cords, triggering an immediate protective reflex that slams the voice box shut to keep acid out of your lungs. Sitting bolt upright, blowing out through pursed lips, sniffing gently through your nose, and taking a small sip of water resets the reflex within seconds.

Ensonda n’obulagirizi obutongole¶

• European Respiratory Society (ERS), European Laryngological Society (ELS), and American College of Chest Physicians (ACCP): International Consensus Statement on Nomenclature, Diagnosis, and Management of Inducible Laryngeal Obstructions (ILO and EILO).
• Larson CP Jr. (Anesthesiology / Clinical Airway Management): Laryngospasm: The Best Treatment (Foundational Description of the Laryngospasm Notch and Larson's Jaw-Thrust Maneuver).
• American Thoracic Society (ATS) and American Academy of Allergy, Asthma, and Immunology (AAAAI): Clinical Differentiation and Co-Management of Vocal Cord Dysfunction (Paradoxical Vocal Fold Motion) and Asthma.
• Association of Anaesthetists (United Kingdom) and Australian and New Zealand College of Anaesthetists (ANZCA): Perioperative Laryngospasm Crisis Management Algorithm (CPAP, Larson's Maneuver, Propofol, and Succinylcholine).
• Royal College of Speech and Language Therapists (RCSLT) and American Speech-Language-Hearing Association (ASHA): Respiratory Retraining and EILOBI Therapy for Inducible Laryngeal Obstruction.

Ebiragiro ebikwatagana nabyo¶

• Asthma attack emergency treatment and inhaler spacer technique
• Epiglottitis, croup, stridor, and acute upper airway obstruction
• Negative-pressure pulmonary edema (NPPE) after relieving choking or laryngospasm
• Allergic reactions ne anaphylaxis obujjanjabi obusookerwako
• Ennamba z’amangu okusinziira ku nsi