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  1. Article: A Retrospective Study Comparing Outcomes of Paravertebral Clonidine Infusion for Pediatric Patients Undergoing Nuss Procedure.

    Visoiu, Mihaela / Sadhasivam, Senthilkumar

    Children (Basel, Switzerland)

    2023  Volume 10, Issue 2

    Abstract: Introduction: The continuous paravertebral blockade as part of the multimodal pain protocol is an effective regional technique to control pain after the Nuss procedure. We investigated the effectiveness of clonidine as an adjunct to paravertebral ... ...

    Abstract Introduction: The continuous paravertebral blockade as part of the multimodal pain protocol is an effective regional technique to control pain after the Nuss procedure. We investigated the effectiveness of clonidine as an adjunct to paravertebral ropivacaine infusion.
    Methods: We conducted a retrospective study of 63 patients who underwent Nuss procedures and received bilateral paravertebral catheters. Data on demographics, surgical, anesthesia, and block characteristics, numeric rating pain scores (NRS), opioids consumption, hospital length of stay, complications, and side effects from medication administration were collected in children who received paravertebral ropivacaine 0.2% infusion without (N = 45) and with clonidine (1 mcg/mL) (N = 18).
    Results: The two groups had similar demographics, although the clonidine group had higher Haller indices (6.5 (4.8, 9.4) vs. 4.8 (4.1, 6.6),
    Conclusion: A postoperative pain management plan that includes paravertebral analgesia, including clonidine as an adjunct, may be considered to minimize opioid administration for patients undergoing primary Nuss repair.
    Language English
    Publishing date 2023-01-20
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2732685-8
    ISSN 2227-9067
    ISSN 2227-9067
    DOI 10.3390/children10020193
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Gaining Insight into Teenagers' Experiences of Pain after Laparoscopic Surgeries: A Prospective Study.

    Visoiu, Mihaela / Chelly, Jacques / Sadhasivam, Senthilkumar

    Children (Basel, Switzerland)

    2024  Volume 11, Issue 4

    Abstract: There is an anecdotal impression that teenage patients report exaggerated postoperative pain scores that do not correlate with their actual level of pain. Nurse and parental perception of teenagers' pain can be complemented by knowledge of patient pain ... ...

    Abstract There is an anecdotal impression that teenage patients report exaggerated postoperative pain scores that do not correlate with their actual level of pain. Nurse and parental perception of teenagers' pain can be complemented by knowledge of patient pain behavior, catastrophizing thoughts about pain, anxiety, and mood level. Two hundred and two patients completed the study-56.4% were female, 89.6% White, 5.4% Black, and 5% were of other races. Patient ages ranged from 11 to 17 years (mean = 13.8; SD = 1.9). The patient, the parent, and the nurse completed multiple questionnaires on day one after laparoscopic surgery to assess patient pain. Teenagers and parents (r = 0.56) have a high level of agreement, and teenagers and nurses (r = 0.47) have a moderate level of agreement on pain scores (
    Language English
    Publishing date 2024-04-20
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2732685-8
    ISSN 2227-9067
    ISSN 2227-9067
    DOI 10.3390/children11040493
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  3. Article: Utilizing Peripheral Nerve Blocks for Pain Management in Pediatric Patients during Embolization and Sclerotherapy for Vascular Malformations.

    Kocher, Matthew / Evankovich, Maria / Lavage, Danielle R / Yilmaz, Sabri / Sadhasivam, Senthilkumar / Visoiu, Mihaela

    Children (Basel, Switzerland)

    2024  Volume 11, Issue 3

    Abstract: Vascular anomalies are a diverse group of abnormal blood vessel developments that can occur at birth or shortly afterward. Embolization and sclerotherapy have been utilized as a treatment option for these malformations but may cause moderate-to-severe ... ...

    Abstract Vascular anomalies are a diverse group of abnormal blood vessel developments that can occur at birth or shortly afterward. Embolization and sclerotherapy have been utilized as a treatment option for these malformations but may cause moderate-to-severe pain. This study aims to evaluate the utilization of peripheral nerve blocks in opioid consumption, pain scores, and length of stay. A retrospective chart review was conducted at the UPMC Children's Hospital of Pittsburgh for all patients who underwent embolization and sclerotherapy between 2011 and 2020. Patient data were collected to compare opioid consumption, pain scores, and length of stay. In total, 854 procedures were performed on 347 patients. The morphine milligram equivalent per kilogram mean difference between groups was 0.9 (0.86, 0.95) with a
    Language English
    Publishing date 2024-03-20
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2732685-8
    ISSN 2227-9067
    ISSN 2227-9067
    DOI 10.3390/children11030368
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  4. Article ; Online: Short-acting versus long-acting opioids for pediatric postoperative pain management.

    Chen, Yun Han / Sadhasivam, Senthilkumar / DeMedal, Spencer / Visoiu, Mihaela

    Expert review of clinical pharmacology

    2023  Volume 16, Issue 9, Page(s) 813–823

    Abstract: Introduction: Opioids are potent analgesics commonly used to manage children's moderate to severe perioperative pain in children. A wide range of short and long-acting opioids are used to treat surgical pain and will be reviewed in this article.: ... ...

    Abstract Introduction: Opioids are potent analgesics commonly used to manage children's moderate to severe perioperative pain in children. A wide range of short and long-acting opioids are used to treat surgical pain and will be reviewed in this article.
    Areas covered: Both short- and long-acting opioids contain unique therapeutic benefits and adverse effects; however, due to the side effect profile and safety concerns, lack of familiarity, and evidence with long-acting opioids to treat surgical pain, shorter-acting opioids have traditionally been used in children. Almost all opioids work by binding to the mu receptor. Methadone, a long-acting opioid, is an exception because it also has beneficial N-methyl-D-aspartate antagonist properties. Clinically methadone's properties could translate to improved analgesic outcomes, reduced risk of adverse events, less risk for acute hyperalgesia, tolerance and abuse potential, faster recovery, and reduced risk for chronic persistent surgical pain. This review article summarizes and compares the evidence of commonly used short and long-acting opioids for perioperative pain control in the pediatric population.
    Expert opinion: Individualized methadone therapy using pharmacogenomics has the potential to transform opioid use in pain management by improving patient safety and analgesic outcomes, thereby addressing the gaps in current standardized ERAS protocols.
    MeSH term(s) Child ; Humans ; Analgesics, Opioid ; Chronic Pain/drug therapy ; Opioid-Related Disorders/drug therapy ; Methadone/adverse effects ; Drug-Related Side Effects and Adverse Reactions ; Pain, Postoperative/drug therapy
    Chemical Substances Analgesics, Opioid ; Methadone (UC6VBE7V1Z)
    Language English
    Publishing date 2023-08-07
    Publishing country England
    Document type Journal Article ; Review
    ISSN 1751-2441
    ISSN (online) 1751-2441
    DOI 10.1080/17512433.2023.2244417
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  5. Article: Editorial: Consciousness, cognition, and compassion.

    Subramaniam, Balachundhar / Chang, Tracy F H / Sadhasivam, Senthilkumar

    Frontiers in psychology

    2022  Volume 13, Page(s) 998315

    Language English
    Publishing date 2022-09-07
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 2563826-9
    ISSN 1664-1078
    ISSN 1664-1078
    DOI 10.3389/fpsyg.2022.998315
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  6. Article ; Online: Pupillometry in perioperative medicine: a narrative review.

    Packiasabapathy, Senthil / Rangasamy, Valluvan / Sadhasivam, Senthilkumar

    Canadian journal of anaesthesia = Journal canadien d'anesthesie

    2021  Volume 68, Issue 4, Page(s) 566–578

    Abstract: Purpose: Pupillometry is a technique for objective quantification of nociception that takes into account the central processing of noxious stimuli and its sympathetic response. This narrative review provides an overview of the physiology of the pupil, ... ...

    Title translation Pupillométrie en médecine périopératoire : une revue narrative.
    Abstract Purpose: Pupillometry is a technique for objective quantification of nociception that takes into account the central processing of noxious stimuli and its sympathetic response. This narrative review provides an overview of the physiology of the pupil, the principles of pupillometry, and its potential application in the perioperative environment, especially in nociception monitoring and quantifying responses to opioids.
    Source: Relevant articles, including reports of original investigation, review articles, and meta-analyses were identified from searches of PubMed and Google Scholar databases. Articles that described pupillary physiology and pupillometry, along with original research reports of the application of pupillometry in perioperative and critical care environment were used to synthesize a narrative review.
    Principal findings: Pupillometry is emerging as an objective measure of nociception, especially in patients under general anesthesia, children, non-verbal patients, and critically ill patients who cannot effectively communicate ongoing pain. Portable automated pupillometers have made accurate quantification of pupillary reflexes, including light reflex and dilatation reflex, possible. This technique has been successfully studied in the perioperative setting for a number of applications, including quantification of nociception, response to analgesia, and assessing efficacy of regional blocks. Pupillary oscillations have shown promise in assessing central opioid effects. Pupillometers can also accurately quantify light reflexes during the neurologic evaluation of critically ill patients.
    Conclusions: Pupillometry is an easy to use non-invasive bedside technique to quantify nociception and monitor opioid effects. It has the potential to personalize pain management in perioperative and intensive care unit environments. Additional studies are needed to further understand the utility of pupillometry in this context.
    MeSH term(s) Analgesia ; Child ; Critical Care ; Humans ; Perioperative Medicine ; Pupil ; Reflex, Pupillary
    Language English
    Publishing date 2021-01-11
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 91002-8
    ISSN 1496-8975 ; 0832-610X
    ISSN (online) 1496-8975
    ISSN 0832-610X
    DOI 10.1007/s12630-020-01905-z
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  7. Article: Gender, genetics, and analgesia: understanding the differences in response to pain relief.

    Packiasabapathy, Senthil / Sadhasivam, Senthilkumar

    Journal of pain research

    2018  Volume 11, Page(s) 2729–2739

    Abstract: Genetic variations and gender contribute significantly to the large interpatient variations in opioid-related serious adverse effects and differences in pain relief with other analgesics. Opioids are the most commonly used analgesics to relieve moderate- ... ...

    Abstract Genetic variations and gender contribute significantly to the large interpatient variations in opioid-related serious adverse effects and differences in pain relief with other analgesics. Opioids are the most commonly used analgesics to relieve moderate-to-severe postoperative pain. Narrow therapeutic index and unexplained large interpatient variations in opioid-related serious adverse effects and analgesia negatively affect optimal perioperative outcomes. In surgical, experimental, chronic, and neuropathic pain models, females have been reported to have more pain than males. This review focuses on literature evidence of differences in pain relief due to multiple genetic variations and gender of the patient.
    Language English
    Publishing date 2018-11-08
    Publishing country New Zealand
    Document type Journal Article ; Review
    ZDB-ID 2495284-9
    ISSN 1178-7090
    ISSN 1178-7090
    DOI 10.2147/JPR.S94650
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  8. Article: Role of the NeuroCuple™ Device for the Postoperative Pain Management of Patients Undergoing Unilateral Primary Total Knee and Hip Arthroplasty: A Pilot Prospective, Randomized, Open-Label Study.

    Chelly, Jacques E / Klatt, Brian A / Groff, Yram / O'Malley, Michael / Lin, Hsing-Hua Sylvia / Sadhasivam, Senthilkumar

    Journal of clinical medicine

    2023  Volume 12, Issue 23

    Abstract: Background: The potential effectiveness of the non-pharmacological and nanotechnology-based NeuroCuple™ device in reducing postoperative surgical pain and opioid consumption remains unknown.: Methods: This randomized controlled open-label study was ... ...

    Abstract Background: The potential effectiveness of the non-pharmacological and nanotechnology-based NeuroCuple™ device in reducing postoperative surgical pain and opioid consumption remains unknown.
    Methods: This randomized controlled open-label study was conducted in patients undergoing a primary unilateral total knee or total hip arthroplasty. In the recovery room, patients were randomized to receive either standard of care (control group) or standard of care plus two NeuroCuple™ devices. The outcome variables included pain and opioid consumption (oral morphine equivalent, OME in milligrams).
    Results: A total of 69 patients were randomized to either the NeuroCuple™ group (n = 38) or the control group (n = 31). Use of the NeuroCuple™ devices was associated with a significant 34% reduction in pain at rest (means of area under the curve: 6.3 vs. 9.5;
    Conclusions: Our data suggest that the NeuroCuple™ device may be an effective non-pharmacological alternative to opioids to manage postoperative pain following unilateral arthroplasty due to its ability to reduce postoperative opioid use.
    Language English
    Publishing date 2023-11-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662592-1
    ISSN 2077-0383
    ISSN 2077-0383
    DOI 10.3390/jcm12237394
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  9. Article ; Online: Isha yoga practices, vegan diet, and participation in Samyama meditation retreat: impact on the gut microbiome & metabolome - a non-randomized trial.

    Raman, Maitreyi / Vishnubhotla, Ramana / Ramay, Hena R / Gonçalves, Maria C B / Shin, Andrea S / Pawale, Dhanashri / Subramaniam, Balachundhar / Sadhasivam, Senthilkumar

    BMC complementary medicine and therapies

    2023  Volume 23, Issue 1, Page(s) 107

    Abstract: Background: Growing evidence suggests a role for gut bacteria and their metabolites in host-signaling responses along the gut-brain axis which may impact mental health. Meditation is increasingly utilized to combat stress, anxiety, and depression ... ...

    Abstract Background: Growing evidence suggests a role for gut bacteria and their metabolites in host-signaling responses along the gut-brain axis which may impact mental health. Meditation is increasingly utilized to combat stress, anxiety, and depression symptoms. However, its impact on the microbiome remains unclear. This study observes the effects of preparation and participation in an advanced meditation program (Samyama) implemented with a vegan diet including 50% raw foods, on gut microbiome and metabolites profiles.
    Methods: There were 288 subjects for this study. Stool samples were collected at 3-time points for meditators and household controls. Meditators prepared for 2 months for the Samyama, incorporating daily yoga and meditation practices with a vegan diet including 50% raw foods. Subjects were requested to submit stool samples for 3 time points - 2 months before Samyama (T1), right before Samyama (T2), and 3 months following Samyama (T3). 16 s rRNA sequencing was used to study participants' microbiome. Alpha and beta diversities along with short-chain fatty acid (SCFA) were assessed. Metabolomics were performed on a mass spectrometer coupled to a UHLPC system and analyzed by El-MAVEN software.
    Results: Alpha diversity showed no significant differences between meditators and controls, while beta diversity showed significant changes (padj = 0.001) after Samyama in meditators' microbiota composition. After the preparation phase, changes in branched short-chain fatty acids, higher levels of iso-valerate (padj = 0.02) and iso-buytrate (padj = 0.019) were observed at T2 in meditators. Other metabolites were also observed to have changed in meditators at timepoint T2.
    Conclusion: This study examined the impact of an advanced meditation program combined with a vegan diet on the gut microbiome. There was an increase in beneficial bacteria even three months after the completion of the Samyama program. Further study is warranted to validate current observations and investigate the significance and mechanisms of action related to diet, meditation, and microbial composition and function, on psychological processes, including mood.
    Trial registration: Registration number: NCT04366544

    Registered on 29/04/2020.
    MeSH term(s) Humans ; Diet, Vegan ; Gastrointestinal Microbiome ; Meditation ; Metabolome ; Yoga
    Language English
    Publishing date 2023-04-05
    Publishing country England
    Document type Clinical Trial ; Journal Article
    ISSN 2662-7671
    ISSN (online) 2662-7671
    DOI 10.1186/s12906-023-03935-8
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  10. Article ; Online: Response to intercostal nerve cryoablation versus thoracic epidural catheters for postoperative analgesia following pectus excavatum repair.

    Das, Bobby / Sadhasivam, Senthilkumar

    Journal of pediatric surgery

    2017  Volume 52, Issue 6, Page(s) 1076

    Language English
    Publishing date 2017
    Publishing country United States
    Document type Letter
    ZDB-ID 80165-3
    ISSN 1531-5037 ; 0022-3468
    ISSN (online) 1531-5037
    ISSN 0022-3468
    DOI 10.1016/j.jpedsurg.2017.01.069
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