Page 12 - ITPS-7-2
P. 12

INNOSC Theranostics and
            Pharmacological Sciences                                             Novel pharmacologic therapies for SAH



            release  of inflammatory  mediators  and contributing  to   controlled trial, and the results demonstrated a significant
            complications  such  as  cerebral  vasospasm  and  DCI 36,37 .   improvement in patient prognosis, a reduced frequency
            SAH leads to cerebral vasospasm, involving the narrowing   of hematoma growth, and fewer serious sequelae. These
            of cerebral blood vessels due to breakdown products of   outcomes corroborate the antifibrinolytic properties of
                                                                            44
            blood and inflammation, potentially compromising blood   tranexamic acid .
            flow to brain tissue. SAH primarily stems from ruptured
            intracranial aneurysms , as emphasized in Kellner   3.1.3. Antioxidants
                               38
            et al. . This rupture leads to an immediate disruption   One promising medication for the treatment of ICH is
                39
            in hemodynamics, causing increased ICP and reduced   edaravone. While it has demonstrated efficacy in patients
            cerebral blood flow, amplifying the impact of SAH. In   with ICH, the debate about its long-term advantages and
            addition, inflammatory responses, as highlighted in   prognosis persists . This potent free radical scavenger 46-50
                                                                             45
            Cardentey-Pereda and Pérez-Falero , are initiated as   was initially licensed in Japan 51,52  for the management of
                                          40
            blood  enters  the  subarachnoid  space,  contributing  to   acute ischemic stroke (AIS).
            complications such as cerebral vasospasm. This narrowing   3.2. Surgical management
            of  cerebral  blood  vessels  can  further  compromise  blood
            flow to the brain. In summary, the pathophysiology of   3.2.1. Craniopuncture
            SAH involves vascular rupture, hemodynamic disruption,   Craniopuncture has  been  the  accepted  method of
            and inflammatory processes, collectively contributing to   treating ICH in China . In a study comparing the results
                                                                                 53
            its complex clinical manifestations.               of craniopuncture and conservative management in
                                                               377 patients who experienced basal ganglia hemorrhage,
            3. Current treatment options                       researchers  discovered  that  patients  undergoing
            The two basic categories of treatment for SAH are   craniopuncture  exhibited  significantly  improved
            surgical and pharmacologic. Non-contrast computerized   neurological function by the end of 2  weeks, with no
            tomography (NCCT) is a quick, reliable, and accurate   variation in the rates of rebleeding and no discernible
                                                                                       54
            method for identifying SAH . Following an acute    difference in patient mortality .
                                      41
            episode, a significant proportion of patients with SAH and   3.2.2. Craniotomy
            intracerebral hemorrhage (ICH) showed a two-point decline
            on the Glasgow Coma Scale 42,43 . The primary goals of care   While the role of surgery in treating patients with ICH
            for unstable patients are to secure the airway and continue   remains a subject of debate, craniotomy for hematoma
            resuscitative procedures before arriving at the hospital.  drainage  is  the  most  commonly  utilized  method  in
                                                               hospitals 55,56 . The surgical study in ICH (STICH)  aimed to
                                                                                                     57
            3.1. Pharmacologic management                      assess the benefits of prompt hematoma drainage combined
            3.1.1. Blood pressure control                      with conservative treatment in a multifocal, multinational,
                                                               randomized clinical study. The study concluded that
            During the acute phase, the majority of ICH patients   prompt hematoma drainage did not improve the overall
            present with high blood pressure when they first arrive.   prognosis . However, when significant hematomas impart
                                                                       57
            This high blood pressure might lead to hematoma    a mass effect with midline shift causing altered awareness,
                                          43
            development and a dismal prognosis . The INTERACT2   or when the neurological decline occurs due to hematoma
            trial, a major clinical trial that randomly assigned patients   enlargement, a craniotomy becomes an essential life-
            to either a blood pressure control group with systolic blood   saving procedure.
            pressure <140 mmHg or a blood pressure control group of
            systolic blood pressure <180 mmHg for the first 24 h, has   3.2.3. Hematoma aspiration and thrombolysis
            provided the most comprehensive data on blood pressure   After a minimum of 5 – 6  h following the computed
            management.                                        tomography scan  used  for diagnosis in  stereotactic
            3.1.2. Use of tranexamic acid and factor VII       aspiration with thrombolysis, patients undergo a follow-up
                                                               scan to assess the stable nature of the clot. In the Minimally
            Tranexamic  acid  is  used to  reduce  bleeding-related   Invasive  Surgery  Plus  Alteplase  for  ICH  Evacuation
            mortality in trauma and postpartum hemorrhage      (MISTIE) trials, stereotactic hematoma aspiration with
            situations. An investigation into the potential of tranexamic   thrombolysis and medical therapy were compared in
            acid to reduce hematoma growth and enhance prognosis   three stages. The initial published results indicate that the
            in adult ICH-related stroke patients was carried out.   MISTIE approach resulted in a greater reduction in clot
            Adult participants with ICH took part in a randomized   volume compared to medical treatment .
                                                                                              58

            Volume 7 Issue 2 (2024)                         6                                doi: 10.36922/itps.2019
   7   8   9   10   11   12   13   14   15   16   17