Ayaresa mu Nsɛm a Wɔayɛ no Ho Nhwehwɛmu: Sɛnea Wɔhwɛ Cephalad Tukɔ a Ɛyɛ Den a Ɛma Spinal Fusion Rod Kɔ The Thoracic Cavity Mu denam Zero-Tolerance Fixation so

Ayaresabea: Ayaresabea Universitario San Ignacio, Bogotá, Colombia
Oprehyɛn ho ɔbenfo: Oduruyɛfo Mateo Restrepo, Department of Complex Spine Reconstruction
Date: October 2025
Asɛm no fã: Catastrophic Hardware Migration / Revision Posterior Spinal Instrumentation
Nea efii mu bae titiriw: Wɔde legary poma a wɔatu akɔtra baabi foforo no akyi fã biako fi pleural hye so, na wɔde nhyehyɛe no mu ahoɔden a edi mũ di akyi XC Medico® Premium Polyaxial Nhyehyɛe a Ɛyɛ Fɛ. Bere a wɔde yɛɛ oprehyɛn no nyinaa: Simma 155. Ɔyarefo a wɔboaboaa no ano dwoodwoo wɔ oprehyɛn akyi da a ɛto so 2.

Asɛm no ho Nkyerɛkyerɛmu

Ayarefo Nnipa Dodow ne Ayaresa Abakɔsɛm

• Ɔyarefo: Carlos Mendoza (wɔmmɔ ne din)
• Mfe a wadi: Mfe 52
• Bɔbeasu: Ɔbarima
• Nea edi kan a wohu: Mmabun ahurututu mu yare a emu yɛ den
• Oprehyɛn abakɔsɛm: Akyi akyi berɛmo mu dɛmdi nteɛso ne fusion spanning T11-L3 a wɔyɛe mfe 15 ansa na wɔde agyapade a ɛnyɛ nea ɛtow pedicle screw nhyehyɛe dii dwuma.
• Oprehyɛn akyi adesua: Enni sɛnkyerɛnne biara a wɔde nhyehyɛe mu nteɛso a edi mũ ne asetra kwan a wɔaka abom koraa bɛboro mfe du.
• Nyarewa a ɛka ho: Mogya mmoroso a emu nyɛ den (wɔhyɛ so), sigaretnomfo a ɔyɛ nnam, nnompe mu mineral density a ɛkyerɛ sɛ nnompe mu yare ntɛm (T-score -1.8).

Anwiinwii ne Ayaresabea Bere Nhyehyɛe a Wɔde Ma

Anwiinwii titiriw: Koko mu yaw a ɛnyɛ nea wɔtaa yɛ na ɛyɛ nnam a efi ase nkakrankakra wɔ benkum so a ɛhyerɛn kɔ scapula no mu, a mframa a emu dɔ ma ɛyɛ kɛse, a adapɛn 3 a ɛyɛ den a ɛyɛ den ka ho. Wɔammɔ akyi berɛmo mu yaw a ɛba baabiara anaasɛ ntini a ɛwɔ fam no ho amanneɛ.

Bere nhyehyɛe:

• Da a Ɛto so 1 (Wɔde no: Ɔyarefo a wɔde no kɔɔ dwumadibea a wɔhwɛ ntɛmpɛ so esiane sɛ osuro sɛ koma ne ntini anaa ahurututu mu asɛm a emu yɛ den bɛba nti. Ná electrocardiogram ne koma mu enzymes yɛ nea ɛfata.
• Akyinnyegye: Hardware mu nsɛnnennen a efi ase akyiri yi anaasɛ paravertebral mass.
• Mfonini a wɔde di kan: STAT chest radiograph ne nea edi hɔ a wɔkra sɛ wɔbɛyɛ thoracic CT scan a ɛyɛ fɛ wɔ nnɔnhwerew 3 ntam.

Mfonini a Wɔahu ne Oprehyɛn Ho Nhyehyɛe

Radiographic & CT Nhwehwɛmu (Mfonini 1 & 2):

• Construct tebea: Mfiri huammɔdi koraa wɔ benkum T11-L3 poma-skru ntam. Ná benkum so flat set screws no akɔ akyi koraa, na ɛde construct disassembly koraa aba.
• Hardware translocation: Na benkum 5.5mm tenten stabilization poma no atew koraa afi pedicle screw saddles. Esiane sɛ mfe pii akyi berɛmo a ɛkɔ so bɔ ne kyinhyia a ɛkyinkyin no na ɛkanyan no nti, poma a enni anohyeto no tu kɔɔ soro (cephalad) sɛntimita pii.
• Anatomical compromise: Poma a ɛkɔ baabi foforo no ano a ɛwɔ soro no bubuu paravertebral fascial planes no mu, twaa costovertebral ahye no, na ɛhyɛn benkum ahurututu no mu kɔɔ akyiri, na ɛdaa n’ahome wɔ baabi a ɛbɛn pleura ne ntini akɛse a ɛwɔ ahurututu no mu ntɛm ara.

Oprehyɛn Ho Nkɔmmɔbɔ: Ayaresa Ho Gyinaesi

Ayaresa mu ntɛmpɛ: Sɛ wogyaw titanium poma a enni ano wɔ ahurututu a ɛyɛ nnam no mu a, ɛde asiane ba ntɛm ara sɛ aortic laceration, intercostal vessel perforation, anaasɛ tension pneumothorax bere a wɔretu mpofirim no. Ná ɛyɛ ahyɛde sɛ wɔde oprehyɛn yi fi nipadua no mu ntɛm ara na wɔsan hwɛ sɛnea wɔayɛ no foforo.

Ɔkwan a Ɛto so 1: Video-Assisted Thoracoscopic (VATS) a Wɔde Yiyi Nneɛma a Ɛyɛ Fɛ Nkutoo

Mfomso: Sɛ woyi poma no denam ahurututu mu kwan so a, edi asiane a ɛwɔ akyi berɛmo mu ntɛm ara no ho dwuma nanso ɛma ɔyarefo no nya ahurututu mu ntini a entumi nnyina na abubu. Sɛ wɔanhwɛ akyi a, anka pedicle screws a aka no benya adwennwen kɛse, na ɛde aseptic loosening ntɛmntɛm, akyi yaw a emu yɛ den, ne deformity a ɛto so abien no bɛkɔ so.

Ɔkwan 2: Thoraco-Abdominal ne Posterior Open Revision a Wɔaka abom

Mfomso: Sɛ wɔyɛ ntwitwiridii abien a ɛsono emu biara (anterior thoracotomy de gye poma ne posterior open approach ma akyi berɛmo no gyina) wɔ nna pii mu a, ɛma oprehyɛn bere nyinaa kɔ soro kodu simma 320+. Saa nhyehyɛe a ɛfa akwan abien so yi ma mogya a wɔhwere, ahurututu mu nsɛnnennen, ne ayaresabea mpa bere tenten kɔ soro kɛse kodu nnafua 6-8 anyɛ yiye koraa no.

Ɔkwan a Ɛto so 3: Akyi Akyi Akyi a Wɔde Fa Ayɛ biako + Cross-Link Fixation a wɔahyɛ no den (Wɔapaw) .

Mfiridwuma kwan: Sɛ wɔsan buee akyi mfinimfini ntwitwiridii a atwam no a, ɛmaa wotumi kɔɔ hardware mpa a aka no so tẽẽ. Bere a oduruyɛfo a ɔyɛ oprehyɛn no de afiri titiriw a wɔde gye poma no dii dwuma de dii poma no kwan no akyi fii akyi fã no akyi, na ɔde ahwɛyiye hwim fii ahurututu no mu wɔ fluoroscopic akwankyerɛ a emu yɛ den ase. Eyi maa wɔkwatii anim thoracotomy a wɔde wɔn ho.

Bere a woyii no wiei no, wɔde sii agyapade nhyehyɛe a entumi nnyina no ananmu XC Medico® Premium Polyaxial Pedicle Screw System . Nea ɛbɛyɛ na wɔayi nea ɛde huammɔdi a edi kan no bae no afi hɔ no, ɔdan foforo no de nkɔnsɔnkɔnsɔn a wɔde siw ano a ɛnyɛ papa a wɔde siw ano no kaa ho na amma asaawa no antrɛw, na wɔde cross-connectors a ɛyɛ den a wotumi sesa ka ho ma ɛyɛɛ ahinanan a entumi nkɔ baabiara.

Nneɛma a wɔpaw: XC Medico Premium Spinal Fixation System — a ɛka bom yɛ polyaxial pedicle nkɔnsɔnkɔnsɔn a ɛwɔ torque a ɛkorɔn ne nkɔnsɔnkɔnsɔn a wɔde asi hɔ a ɛyɛ bɔne ne cross-links a ɛyɛ den a wotumi sesa.

Oprehyɛn a Wɔyɛ: Oprehyɛn Ho Nsɛm

Gyinabea ne Nea Wɔda no Adi

• Ɔyarefo gyinabea: Gyinabea a ɛkɔ fam wɔ Relton-Hall frame a wɔtaa de di dwuma so, na ɛma yafunu no mu nhyɛso fi hɔ yiye na ama ntini mu nhyɛso so atew.
• Nea ɛda adi: Wotwaa akyi mfinimfini akuru a na ɛwɔ hɔ kan no. Wɔde ahwɛyiye yɛɛ subperiosteal dissection de daa pedicle screws a ɛwɔ hɔ dedaw no adi fi T11 kosi L3. Operative field exposure a wonyae wɔ simma 25 mu.

Hardware a Wɔgye ne Thoracic Clearance Fase

• Nhwehwɛmu: Wohuu benkum pedicle screw tulips no abue a set screws nni hɔ koraa. Wohuu poma a atu no akyi fã a ɛpuepue kakra fi paravertebral ntini mpa a ɛbɛn T11 no so.
• Wɔyi: Wɔ akyi fluoroscopic nhwehwɛmu a ɛkɔ so ase no, wɔde afiri titiriw a wɔde kyekyere nneɛma a emu yɛ duru kyekyeree poma no dua a wotumi hu no ho. Bere a wɔde axial traction kwan a wɔahyɛ so na ɛyɛ pintinn dii dwuma no, wɔtwee poma no san n’akyi wɔ ne tu kwan no so.
• Clearance check: Woyii poma no yiye a wɔanhyia ɔsɔretia. Fluoroscopy ne ahurututu mu ntrɛwmu nhwehwɛmu a wɔyɛe ntɛm ara no sii so dua sɛ ahurututu no hye no da so ara yɛ pɛ a na ahurututu mu ahurututu mu yare a emu yɛ den biara nni mu. Bere tenten a wɔde yɛ ɔfã no: Simma 40.

Nsakrae Fixation & Rigid Frame Nhyiam Fase

• Screw exchange: Woyii agyapade skru a wɔasansan no. Wɔyɛɛ pedicle tracts no reamed na wɔyɛɛ no ​​kɛse sɛnea ɛbɛyɛ a ɛbɛfa XC Medico® 6.0mm Premium Polyaxial Pedicle Screws, na ɛmaa wɔhwɛɛ sɛ wɔbɛtɔ nnompe a ɛkorɔn wɔ mpa a nnompe ayɛ mu ma no mu.
• Poma a wɔde to mu: Wɔde titanium a wɔde afra abaa foforo a wɔadi kan ayɛ no 5.5mm tenaa ase. Nea ɛho hia no, wɔde XC Medico reverse negative-angle set screws no yɛɛ torque kɔɔ 8 Nm denam calibrated drivers so. Asaawa no ho mfonini no de nsi twee tulip afasu no kɔɔ mu, na ɛmaa asiane a ɛwɔ hɔ sɛ ɛbɛtrɛw no fii hɔ.
• Cross-link integration: Wɔde cross-connectors abien a ɛyɛ den a wotumi sesa guu benkum ne nifa abaa no so wɔ T12 ne L2 levels no so. Eyi danee abaa abien a ɛde ne ho yɛɛ no ​​ɔdan biako a ɛyɛ den yiye, na ɛmaa poma a ɛtrɛw no ntumi nkɔ fam wɔ honam fam. Bere tenten a wɔde yɛ ɔfã no: Simma 70.

Tew a Etwa To ne Nea Wɔto Mu

Biplanar fluoroscopy a etwa to no sii so dua sɛ skru no mu dɔ a eye, poma a wɔde si hɔ a ɛne ne ho hyia koraa, ne nipadua mu nkwaadɔm a wɔsan hyehyɛ no foforo. Wɔde nsuo guu beae no so yiye, wɔde nsu a ɛkɔ ntini ase sii hɔ, na wowiee fascial closure a ɛwɔ ntoatoaso pii. Bere a wɔde yɛɛ oprehyɛn no nyinaa: Simma 155. Mogya a wɔabu akontaa sɛ ɛbɛyera: 210 mL. Mogya a Wɔde Ma: Zero.

Oprehyɛn Akyi Adesua ne Nea Efi Mu Ba

Oprehyɛn akyi Ntɛm ara (POD 0-1) .

Ɔyarefo no nyanee a na ne koko mu yaw a ano yɛ den no gyaee ntɛm ara (VAS so tew fii 8/10 ansa na wɔreyɛ oprehyɛn koduu 2/10 wɔ oprehyɛn akyi). Wɔhwɛɛ sɛnea ɔhome nnyigyei a ɛfata no yɛ nokware wɔ afã abien, na wɔpow ahurututu mu ahurututu a ɛba akyiri. Post-op radiographs kyerɛɛ pristine hardware a ɛne ne ho hyia. Eduu POD 1 anwummere no, na ɔyarefo no te mpa no ho yiye a ne nsa ne ne nan ase ntini mu ahoɔden a edi mũ.

Nsiesiei a Wɔyɛ wɔ Nneɛma a Wɔde Fi Afiri Mu (POD 2 — Nnɔnhwerew 48) .

Wɔ nnɔnhwerew 48 wɔ oprehyɛn akyi no, woyii submuscular drain no fii hɔ (nea ɛbae kakraa bi). Ɔyarefo no duu asoɛe a wɔde gyae no ho gyinapɛn ahorow nyinaa ho: nantew a ɔde ne ho a ɔde nantew sɛnea ɛsɛ, ɔnom a ɔnom no yiye, ne ɛyaw a wɔde nnuru a wɔde kum ɛyaw a wɔde ano no di so. Sɛ wogyaee ntɛm wɔ nnɔnhwerew 48 mu a, ɛmaa asiane a ɛwɔ hɔ sɛ wobenya nyarewa a wonya fi ayaresabea no so tew na ɛmaa mpa a wɔde ma wɔ ayaresabea no so tew.

Akyidi (Nnawɔtwe 6 & Ɔsram 3) .

Wɔ asram 3 agyiraehyɛde no mu no, na Carlos nni ɛyaw biara (VAS 0/10) na na wasan akɔyɛ adwumayɛfo nnwuma a emu nyɛ den. Radiographs a wɔyɛe wɔ koko ne akyi berɛmo mu nnidiso nnidiso sii so dua sɛ micro-motion biara nni hɔ wɔ screw-rod nhyiam ahorow no so. XC Medico® frame a wɔde abɔ mu no kuraa nhyehyɛe mu a ɛyɛ pɛpɛɛpɛ mu, na nnompe a ɛyɛ den a wɔde afrafra ho sɛnkyerɛnne a edi kan no yɛɛ den wɔ thoracolumbar afã horow no so.

Sikasɛm mu Nhwehwɛmu: Nsakraeɛ a ɛwɔ Akwantuo baako mu vs Nneɛma a wɔde wɔn ho hyɛ mu a wɔabue mu

a wɔde wɔn ho hyɛ mu	a wɔde wɔn ho hyɛ mu a wɔde wɔn ho hyɛ mu a wɔde wɔn ho hyɛ mu a wɔde wɔn ho hyɛ mu a wɔde wɔn ho hyɛ mu a wɔde wɔn ho ahyɛ mu a wɔde wɔn ho ahyɛ mu a wɔde wɔn ho ahyɛ mu a wɔde wɔn ho ahyɛ mu wɔ akwan pii so (Agyapadeɛ)	ɔfa baako mu XC Medico® System (Nokwarem).	Nsonsonoeɛ a ɛwɔ
Oprehyɛn a wɔde hyɛ nipadua mu (Anterior/Thoracic nnwinnade) .	$9,800 (Toracoscopic hyɛn gyinabea ahorow, bere tiaa mu nneɛma atitiriw) .	$0	-$9,800 na ɛyɛ
Oprehyɛn a wɔde hyɛ nipadua mu (Posterior Spinal Frame) .	$8,400 (Standard parallel abaa & nkɔnsɔnkɔnsɔn) .	$6,100 (XC Medico Premium Nkuruwankuruwa & Nkyerεkyerεmu)	-$2,300 na ɛyɛ
Bere a wɔde yɛ adwuma (Adwumayɛbea no ho ka: $250/simma)	$8,000 (simma 320 wɔ nna ahorow mu) .	$3,875 (simma 155 a wɔde gye wɔ ɔfã biako mu)	-$4,125 na ɛwɔ hɔ
Oprehyɛn ho ɔbenfo, Thoracic Specialist & Anesthesia ho ka	$8,500 (Asɛnka agua so ka a wɔbɔ wɔ nteɛso ahorow pii ho) .	$4,800 (Wɔde bere biako a wɔaka abom wɔ akyi kum) .	-$3,700 na ɛyɛ
Ayaresabea ICU/Ward tra (Mpa ho ka: $450/da)	$3,150 (sɛ wɔkyekyem pɛpɛɛpɛ a, nnafua 7 a ɛma obi ho tɔ no ma thoracic open entries)	$900 (nnafua 2 a wɔde gye tom sɛ wobeyi obi afi ayaresabea ntɛm) .	-$2,250 na ɛyɛ
Oprehyɛn akyi mfoninitwa & Ahurututu mu nhwehwɛmu	$2,400 na ɛyɛ	$2,175 na ɛwɔ hɔ	-$225 na ɛyɛ
NKYERƐKYERƐMU A ƐKA HO NKYEKYƐMU	$40,250 na ɛyɛ	$17,860 na ɛyɛ	-$22,390 (55% a wɔatew so)

Wɔ ahyehyɛdeɛ akyi berɛmo mu ahodwiriw ne ɔdansiɛ beaeɛ a ɛhwɛ agyapadeɛ huammɔdi a ɛyɛ den so no, sɛ wɔgye XC Medico’s high-torque, negative-angle locking systems tom a, ɛma ahyehyɛdeɛ no sie $22,390 USD wɔ asɛm biara mu berɛ a ɛma adwumayɛ mu nsakraeɛ yɛ yie na ɛtew ntɛmpɛ a ɛtɔ so mmienu no so.

Mfiridwuma ho Nsɛmmisa ne Mmuae ma Akuw a Wɔsan Si Adan a Ɛyɛ Den

Asɛmmisa: Ɔkwan bɛn so na negative-angle buttress nhama siw set screw back-out kwan sɛ wɔde toto standard flat nhama ho a?

A: Standard flat anaa V-threads de ahoɔden a ɛkɔ akyi radial di dwuma wɔ screw ti (tulip) no mu afasu so bere a wɔakyekye no denneennen akodu torque a etwa to no so. Wɔ cyclic mechanical stress a ɛkorɔn ase no, saa radial tumi yi ma tulip afasu no trɛw kakra anaasɛ 'splay.' Sɛ splay ba pɛ a, thread interlocking no kɔ fam, na ɛma set screw no san akyi. XC Medico no negative-angle buttress thread no wɔ geometry a ɛkɔ fam ne nea ɛkɔ mu. Sɛ wɔde torque di dwuma a, asaawa ahoɔden no twe tulip afasu no kɔ mu ankasa, na ɛto set screw no mu denneennen wɔ poma no so na eyi splay-driven construct failure fi hɔ koraa.

Asɛmmisa: Dɛn nti na ɛyɛ ahyɛde sɛ wɔde cross-link nhyehyɛe di dwuma wɔ akyi nteɛso a ɛyɛ tenten mu na amma abaa no anhwe ase?

A: Parallel abaa a ɛde ne ho no de ne ho to mpɔtam hɔ friction grip a ɛwɔ pedicle screws ankorankoro mu nkutoo so. Sɛ ɔyarefo bi wɔ nnompe a ɛma nnompe mu yɛ den a, dua no a wɔdannan no mpɛn pii no betumi ama wɔde afiri ketewaa bi asɛe nkɔnsɔnkɔnsɔn ti no, na asɛe saa mpɔtam hɔ friction hold no bere kɔ so no. Sɛ wɔde cross-connectors a wotumi sesa bom a, ɛma benkum ne nifa abaa no yɛ adaka a ɛyɛ ahinanan a ɛyɛ den. Saa multi-planar nkitahodi yi de shear stresses kɔ construct no nyinaa so, na ɛma independent longitudinal rod sliding mechanically ntumi nyɛ yiye mpo sɛ screw junction biako nya micro-fretting wear a.

Distributor Value Proposition: Mpɔtam Hɔ Tender Portfolios a Ɛdi So

• The Commercial Edge: Sɛ wɔde mfiridwuma ano aduru a ɛtew asiane a ɛwɔ hɔ sɛ wɔbɛsan ahwɛ mu no so na ɛtew asɛm a ɛfa nsɛm pii ho nyinaa so 55% ma ayaresabea adetɔ akuw a, ɛde aguadi bo a ɛso bi nni si hɔ bere a wɔreyɛ tender nhwehwɛmu no.
• Ayaresa mu Ahotoso: Sɛ wɔde TC4 Titanium hardware a wɔagye atom (ISO 13485) a ɛwɔ sub-micron machining tolerances ma akyi berɛmo ho oprehyɛn no hwɛ hu sɛ ahotoso a ɛkorɔn wɔ torque locking mu, na ɛbɔ wɔn ahyehyɛde din ho ban fi construct huammɔdi a ɛba akyiri yi ho.