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Brain & Heart                                                       ICU admission post-craniotomy for tumor



            Such reactions may prolong hospital stays or necessitate   increase headaches and reduce sedation compared to
            close monitoring in the ICU.                       placebo, though this effect is limited to doses higher than
              About 60% of patients undergoing craniotomy report   the recommended amount. Droperidol is likely to reduce
            moderate to severe pain up to 48 hours after surgery.  A   headaches compared to placebo. There is high-certainty
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            prospective study showed that despite patients reporting   evidence that dexamethasone does not affect sedation
            moderate to severe pain (≥4 on a scale of 0 – 10 in   compared to placebo. However, there are studies that
            almost 70% of subjects) during the first post-operative   suggest  it  may  be  a  potential  risk  factor  for  developing
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            day, patients usually received high-dose acetaminophen   meningitis after craniotomy.   Early removal of the
            and minimal doses of fentanyl and opioids. It has been   urethral catheter within 24 h, according to the Enhanced
                                                               Recovery After Surgery (ERAS) protocol leads to a lower
            recommended to use the minimum effective opioid    infection rate compared to the conventional protocol, with
            dose, not exceeding 300  μg, to prevent respiratory   no significant evidence of compromise in this technique.
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            depression.  In neurosurgical ICU, opioids are the most   Finally, early mobilization of these patients establishes
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            commonly used medications for pain relief. However,   daily activity goal, such as moving correctly in bed within
            their use is associated with potential side effects, including   6 h after surgery and getting out of bed within 24 h (or as
            oversedation, respiratory depression, hypercapnia,   soon as possible). This approach is associated with shorter
            increasing intracranial pressure, nausea, and vomiting.   hospital stays and reduced  healthcare costs.  However,
            These complications can hinder neurological evaluations.    studies on patients who experienced early mobilization
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            Overuse of opioids can lead to these adverse effects,   after a cerebral infarction have shown adverse effects,
            potentially leading to sedation, respiratory depression,   such as falls, hemorrhage, or another cerebral infarction.
            hypercapnia, and PONV. Increased intracranial pressure   Further studies with a greater impact are needed to
            resulting from these effects may compromise neurological   confirm whether the benefits of early mobilization within
            examination or mask acute reactions.  On the other   the ERAS protocol outweigh any negative repercussions.
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            hand, inadequate analgesia can lead to sympathetically   However, even though these good practices promote
            mediated hypertension, which is strongly associated with   good recovery for neurosurgical patients, particularly
            an increased risk of post-operative complications, such as   those with primary central nervous system tumors, post-
            cerebral edema, hemorrhage, prolonged hospital stays, and   operative  adverse  effects remain challenging to avoid.
            a significant increase in mortality. Non-opioid analgesics   These effects may arise due to the complexity of the
            have gain popularity for managing post-craniotomy pain   surgical approach, the patient’s biological and emotional
            due to their ability to avoid opioid-related adverse effects,   responses, or the specifics of the operative technique. The
            provide effective post-operative analgesia, and decrease   required response to post-operative management will
            the incidence of complications. Dexmedetomidine is   depend on the protocol used for post-craniotomy care).
            commonly used for its antinociceptive and opioid-
            sparing properties in patients undergoing intracranial   5. Clinical evidence on the use of ICU in PBT
            surgery.  A meta-analysis of randomized clinical trials   patients
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            involving  11,997  patients  found  that  dexmedetomidine
            use in mechanically ventilated adults was correlated   5.1. Previous studies and findings
            with a lower risk of delirium, shorter mechanical   The rationale for ICU admission following craniotomy
            ventilation  duration,  and reduced  ICU  stays.  However,   for PBT remains a topic of ongoing debate. Clinical
            dexmedetomidine use is also associated with a higher   evidence supporting ICU use in PBT patients is limited.
            risk of bradycardia and hypotension.  It is important to   The standard protocol for patients undergoing elective
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            highlight that bradycardia may be misinterpreted as a   craniotomy includes admission to the ICU for the first
            Cushing reflex (bradycardia and hypertension associated   24  h post-surgery. This approach aims to detect serious
            with intracranial hypertension). When compared with the   early post-operative complications, mainly associated
            placebo group, significant bradycardia has been observed   with the underlying disease or the sequelae of surgical and
            in a small percentage of the patient group, necessitating   anesthesia techniques, facilitating prompt intervention and
            discontinuation of post-operative dexmedetomidine.    optimizing recovery. 60,61  Recent advancements in surgical
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            In addition, remifentanil use appears beneficial for post-  techniques and technology have made it possible for some
            craniotomy patients, further trials are needed to confirm   patients to experience shorter hospital stays or same-day
            these initial positive results. 40,41  In terms of specific side   discharge.  However, in this context, it is important to
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            effects of PONV therapy, the evidence for the best and   explore available evidence to optimize patient management
            most reliable  antiemetic  drugs shows  low  to  very  low   and ensure the best possible outcomes. One study analyzed
            side effects. Exceptions include ondansetron, which may   514 patients scheduled for same-day discharge,  achieving
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            Volume 3 Issue 1 (2025)                         6                                doi: 10.36922/bh.3802
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