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Myocardial Injury After Non-cardiac SurgeryNCT06343259

The Effects of General Versus Spinal Anesthesia on Postoperative Myocardial Injury

A study testing General Anesthesia and Spinal Anesthesia in people with Myocardial Injury After Non-cardiac Surgery and Hypotension During Surgery, run by Sisli Hamidiye Etfal Training and Research Hospital at 1 site in Turkey (Türkiye).

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

In this prospective, randomized, single-blind study, we aim to compare the effects of general anesthesia and spinal anesthesia on postoperative myocardial injury in elderly patients undergoing hip surgery. Read more about this study

Who is it for?
Ages 65 years and olderHealthy volunteers can take part
What is being tested?
General Anesthesia and Spinal Anesthesia
Could I receive a placebo?
No, everyone receives an active treatment
How many people
100 participants
Where
1 siteTurkey (Türkiye)
Study dates
5 Apr 2024to 18 Aug 2024
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 65 years and older
  • All sexes
  • Healthy volunteers accepted
  • Older adult

Who may be able to join

  • who will undergo hip surgery
  • ASAII-III
  • Over the age of 65

Who cannot join

  • Patients diagnosed with sepsis, pulmonary embolism, decompensated heart failure, chronic kidney failure.
  • Patients who underwent cardioversion in the last 6 months or experienced myocardial infarction.
  • Patients with a surgical history in the last month.
  • Patients who required intubation in the intensive care unit.
  • Patients with a baseline Hs-Troponin T value exceeding 20 ng/L.
  • Patients with a postoperative peak Hs-Troponin T value higher than baseline.

Trial locations and contacts

1 site in 1 country.

Mustafa Bilgehan AYIK contact

+905377247984

drbilgehanayik@gmail.com

Turkey (Türkiye)1 site, 1 recruiting
  • Sisli Hamidiye Etfal Training and Research Hospital

    Istanbul, 34396

    Mustafa Bilgehan AYIK, +905377247984, drbilgehanayik@gmail.com

    Recruiting

Other trials in Turkey (Türkiye)

About this study

Official title: Comparison of The Effects of General Anesthesia and Spinal Anesthesia on The Development of Postoperative Myocardial Injury in Elderly Patients Undergoing Hip Surgery

In this prospective, randomized, single-blind study, we aim to compare the effects of general anesthesia and spinal anesthesia on postoperative myocardial injury in elderly patients undergoing hip surgery. Cardiovascular events are a leading cause of mortality and morbidity following non-cardiac surgery, with myocardial injury after non-cardiac surgery (MINS) being a significant concern. MINS, characterized by asymptomatic elevation of troponin levels without accompanying ECG findings, is closely associated with postoperative mortality. With the increasing prevalence of comorbidities in the elderly population and the rising frequency of non-cardiac surgeries in this demographic, understanding the effects of different anesthesia types on postoperative myocardial injury is crucial.

Read the detailed description

Cardiovascular events constitute the leading cause of mortality and morbidity following non-cardiac surgery. Myocardial Injury after Non-cardiac Surgery (MINS) is a condition diagnosed postoperatively characterized by asymptomatic troponin elevation alone. Distinguishing it from myocardial infarction, it lacks symptoms and concurrent Electrocardiography (ECG) findings, yet it correlates closely with postoperative mortality. Detection can be facilitated through troponin monitoring from preoperative period to up to 72 hours postoperatively.

The Vascular Events in Noncardiac Surgery Patient Cohort Assessment (VISION) study, designed to evaluate major vascular events in patients undergoing non-cardiac surgery, reported a global prevalence of MINS at 8% with over a threefold increase in 30-day mortality. The diagnostic threshold for MINS as determined by the VISION study is a non-Hs troponin T level of ≥0.03 ng/mL.

With the increasing elderly population burdened with comorbidities globally, the frequency of non-cardiac surgeries in elderly patients has risen. Despite advancements in surgical and anesthetic fields, the incidence of MINS and associated mortality continue to escalate. Risk factors associated with MINS highlight age over 75 and the presence of comorbidities. Orthopedic surgeries are most commonly performed in elderly patients, with perioperative acute myocardial infarction (MI) incidence shown to increase by 31-fold in knee surgeries and 25-fold in hip surgeries. Postoperative pain and opioid use in this patient group significantly contribute to overlooked myocardial ischemia.

In a sub-study of the VISION trial examining cardiovascular outcomes of orthopedic surgery, the incidence of MINS was reported at 11.9%, with 30-day mortality rates of 1% in MINS-absent patients and 9.8% in MINS-present patients, markedly higher than non-orthopedic surgeries.

Several studies have identified perioperative and postoperative hypotension as the primary risk factor for MINS, emphasizing the importance of anesthesia management in preventing perioperative hypotension. However, no study has specifically focused on the relationship between chosen anesthesia technique and the development of hypotension and MINS. George R. and colleagues conducted a prospective observational cohort study in India analyzing the incidence and risk factors of MINS, finding a higher incidence in patients receiving peripheral nerve blocks compared to general anesthesia and spinal anesthesia, particularly in patients with high cardiac comorbidities. Nonetheless, no significant relationship was observed between the chosen anesthesia technique and the development of MINS in the orthopedic surgery subgroup of the VISION study.

In this prospective, randomized, single-blind study, we aim to compare the effects of general anesthesia and spinal anesthesia on postoperative myocardial injury in elderly patients undergoing hip surgery.

Being tested
General Anesthesia, Spinal Anesthesia
Keywords
MINS, Anesthesia, General, Anesthesia, Spinal, Hip Fractures, Myocardial Infarction, Troponin T
Medical subject headings
Hip Fractures, Myocardial Infarction

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • General AnesthesiaProcedure or surgery

    Also called propofol, fentanyl, rocuronium, sevoflorane

    After preoxygenation, intravenous fentanyl (1 μg/kg), propofol (2 mg/kg), and rocuronium (0.6 mg/kg) will be used for anesthesia induction. Intubation will be performed with a 7.0-8.0 sized tube, followed by the initiation of mechanical ventilation (tidal volume: 6-8 ml/kg, respiratory rate: 12 breaths/min). Sevoflurane will be used to maintain anesthesia (0.7-1 MAC), and remifentanil infusion will be administered for analgesia. Postoperatively, tramadol (1 mg/kg) and paracetamol (10 mg/kg) will be administered intravenously. Neuromuscular blockade will be reversed using sugammadex. Patients with an Aldrete Recovery Score ≥9 will be transferred to the post-anesthesia care unit after extubation.

  • Spinal AnesthesiaProcedure or surgery

    Also called bupivacain

    Patients will be positioned laterally with the hip to be operated on the lower side, and skin asepsis will be ensured, followed by sterile draping. A dural puncture will be performed at the L3-4 spinal level using a 22-25 gauge Quincke-tip spinal needle. After the detection of cerebrospinal fluid, 7.5 mg of 0.5% hyperbaric bupivacaine will be slowly injected. Following a 10-minute interval, the sensory block level will be assessed using the pinprick test and modified Bromage scale, aiming for a T10 sensory block. Surgery will commence upon achieving adequate sensory block. Postoperatively, patients will be transferred to the recovery room. Patients failing to attain sufficient sensory block and experiencing pain will undergo transition to general anesthesia, terminating their cases.

Study groups in NCT06343259
Study groupRoleWhat they receive
General AnesthesiaActive comparatorAfter preoxygenation, intravenous fentanyl (1 μg/kg), propofol (2 mg/kg), and rocuronium (0.6 mg/kg) will be used for anesthesia induction. Intubation will be performed with a 7.0-8.0 sized tube, followed by the initiation of mechanical ventilation (tidal volume: 6-8 ml/kg, respiratory rate: 12 breaths/min). Sevoflurane will be used to maintain anesthesia (0.7-1 MAC), and remifentanil infusion will be administered for analgesia. Postoperatively, tramadol (1 mg/kg) and paracetamol (10 mg/kg) will be administered intravenously. Neuromuscular blockade will be reversed using sugammadex. Patients with an Aldrete Recovery Score ≥9 will be transferred to the post-anesthesia care unit after extubation.
Receives: Procedure: General Anesthesia
Spinal AnesthesiaActive comparatorPatients will be positioned laterally with the hip to be operated on the lower side, and skin asepsis will be ensured, followed by sterile draping. A dural puncture will be performed at the L3-4 spinal level using a 22-25 gauge Quincke-tip spinal needle. After the detection of cerebrospinal fluid, 7.5 mg of 0.5% hyperbaric bupivacaine will be slowly injected. Following a 10-minute interval, the sensory block level will be assessed using the pinprick test and modified Bromage scale, aiming for a T10 sensory block. Surgery will commence upon achieving adequate sensory block. Postoperatively, patients will be transferred to the recovery room. Patients failing to attain sufficient sensory block and experiencing pain will undergo transition to general anesthesia, terminating their cases.
Receives: Procedure: Spinal Anesthesia

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Myocardial Injury After Non-Cardiac Surgery (MINS)

    Blood samples for hs-Troponin T values were obtained at 0 hours in the recovery room, followed by assessments at 6, 12, 24, 48, and 72 hours either in the ward or in the intensive care unit.The baseline values were within the normal range, with postoperative hsTnT measurements ranging between 20 and 65 ng/L, and those with at least a 5 ng/L absolute change or hsTnT levels of 65 ng/L and above were considered as MINS.

    Measured: up to 72 hour

Secondary outcomes (2)
  1. The duration of intensive care unit (ICU) stay

    The intensive care unit (ICU) stay durations of patients who develop MINS and those who do not develop MINS will be recorded and compared.

    Measured: up to 90 days

  2. The duration of hospital stay

    The hospital stay durations of patients who develop MINS and those who do not develop MINS will be recorded and compared.

    Measured: up to 90 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Apr 2024
  2. Study start5 Apr 2024
  3. Primary completion5 Aug 2024 (estimated)
  4. Study completion18 Aug 2024 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
100 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06343259
Sponsor's protocol ID
2534
Status last verified
Jul 2024
First submitted
12 Mar 2024
Last updated
23 Jul 2024
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing General Anesthesia and Spinal Anesthesia in people with Myocardial Injury After Non-cardiac Surgery and Hypotension During Surgery, run by Sisli Hamidiye Etfal Training and Research Hospital at 1 site in Turkey (Türkiye).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 23 Jul 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Mustafa Bilgehan AYIK (+905377247984, drbilgehanayik@gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Myocardial Injury After Non-Cardiac Surgery (MINS) (time frame: up to 72 hour). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Jul 2024.

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