Objectives: The aim of this study was to investigate the latest clinical studies on Korean medicine treatment of post-concussion syndrome (PCS) in the Chinese National Knowledge Infrastructure Database (CNKI). Methods: We searched the last 10 years of clinical studies discussing Oriental medicine-based treatments for PCS in the CNKI database. The search focused on the authors, publication year, type of study, purpose of the study, method and duration of treatment, evaluation criteria, and results of each article. Results: Of the 22 selected studies, 1 was a non-randomized controlled trial (nRCT), 2 were case series, and 19 were randomized controlled trials (RCTs). Treatments included oral herbal medicine in 16 studies, oriental medicine through external use in 2 studies, acupuncture in 3 studies, and traditional Chinese medicine injection in 2 studies. The most frequently used herb was Cnidii Rhizoma (川芎). All 22 studies confirmed the efficacy of Oriental medicine treatments. Conclusion: More varied and scientifically designed clinical studies are required to develop treatments for PCS. The results of this study could be used as basic data for further PCS studies.
Background: Degenerative lumbar spondylolisthesis (DLS) is frequently associated with lumbar spinal stenosis (LSS) and conservative treatments such as epidural steroid injection do not have long-term benefits in LSS patients with DLS. This study evaluated the effectiveness of percutaneous epidural neuroplasty using a balloon catheter in patients with LSS and DLS. Methods: Patients' sex, age, body mass index, diabetes, hypertension, stenosis grading, pain duration, location, pain intensity, and medications were retrieved from electronic medical records. At 1, 3, and 6 months following the procedure, data on pain severity, medication usage, and physical functional status were analyzed. A generalized estimating equations model was used at the six-month follow-up. Patients were divided into those with DLS (the spondylolisthesis group) and those without DLS (the no spondylolisthesis group) to evaluate whether the effects of percutaneous epidural neuroplasty using a balloon catheter were different. Results: A total of 826 patients were included (spondylolisthesis: 433 patients, 52.4%; no spondylolisthesis: 393 patients, 47.6%). Age, body mass index, hypertension, pain location, and stenosis grading were statistically different between the two groups. The generalized estimating equations analyses with unadjusted and adjusted estimation revealed a significant improvement in the estimated mean numerical rating scale of pain intensities compared to that at baseline in both groups (P < 0.001). Any adverse events that occurred were minor and temporary. Conclusions: Percutaneous epidural neuroplasty using a balloon catheter may be an alternative treatment option for patients with chronic LSS, regardless of accompanying DLS, who have had failed conservative management.
This paper investigates the steady state combustion characteristics of LPG homogeneous charge compression ignition(HCCI) engine with variable valve timing(VVT) and dimethyl ether(DME) direct injection, to find out the benefits in exhaust gas emissions. VVT is one of the attractive ways to control HCCI engine. Hot internal residual gas which is controlled by VVT device, makes fuel is evaporated easily, and ignition timing is advanced. Regular gasoline and liquefied petroleum gas(LPG) were used as main fuel and dimethyl ether(DME) was used as ignition promoter in this research. Operating range and exhaust emissions were compared LPG HCCI engine with gasoline HCCI engine. Operating range of LPG HCCI engine was wider than that of gasoline HCCI engine. The start of combustion was affected by the intake valve open(IVO) timing and the ${\lambda}TOTAL$ due to the latent heat of vaporization, not like gasoline HCCI engine. At rich operation conditions, the burn duration of the LPG HCCI engine was longer than that of the gasoline HCCI engine. CAD at 20% and 90% of the mass fraction burned were also more retarded than that of the gasoline HCCI engine. And carbon dioxide(CO2) emission of LPG HCCI engine was lower than that of gasoline HCCI engine. However, carbon oxide(CO) and hydro carbon(HC) emission of LPG HCCI engine were higher than that of gasoline HCCI engine.
Purpose: Corrugator supercilii muscle pulls eyebrow to inferomedial direction and produces the vertical component of the glabellar line formation. Current techniques for eliminating of glabellar frown include direct resection of corrugators and botulinum toxin injection. Muscle resection in endoscopic face lift procedure is relatively complex and has many disadvantages ranging from possible nerve injury, postoperative edema, pain and a long recovery period. The Botox treatment on the other hand is much more simple in technique but has a short duration of action. The authors have attempted new ways of finding improved treatment of the glabellar frown by selectively blocking of motor nerves innervating the corrugator supercili muscle by using radiofrequency ablation technique. Methods: A total of 80 patients were recruited in our study during the period between Feb. 2007 to June 2008. A probe was introduced from the supraorbital ridge and advanced to the corrugator supercilii muscle. Nerve stimulator was then used to locate the nerve innervating the corrugator and radiofrequency ablation of the nerve was done. Results: In all patients, there were marked improvement in glabellar frown after treatment. There were no reported cases of any relapses during the follow up period. No complication was noted such as facial nerve injury. No patient complained of any adverse symptoms other than slight discomfort due to swelling of the operation site. Conclusion: The treatment of glabellar frown lines using selective nerve block with radiofrequency ablation was not only less invasive but also excellent in surgical outcomes.
Purpose : Polycystic ovarian syndrome(PCOS) is a endocrine disorder and still remains as one of the common causes of anovulation in women of reproductive age. There are some evidences that nerve growth factor(NGF) is involved in the pathogenesis of PCOS. In this research, the effects of ShingihwanhapChangbudodam- Tang(SCT) on the estradiol valerate(EV)-induced polycystic ovary(PCO) were investigated in rats. Methods : PCO was induced by single intramuscular injection with EV(4mg) in female rats. Rats in PCO control group(n = 8) were EV injected and orally administrated distilled water for sixty days. Rats in SCT-treated group(n = 8) were EV injected and orally administrated SCT for same duration. The weights of body, ovary and adrenal gland were measured. And also, ovarian histopathology and NGF immunohistochemistry were performed. Results : The weights of ovaries in SCT-treated group were significantly increased compared with control group. The numbers of secondly and mature follicles, and corpora lutea in SCT-treated group were significantly increased compared with control group. The numbers of atretic follicles were significantly decreased compared with control group. The expression of NGF positive reaction in the ovarian granulosa cells of SCT-treated group were lesser observed than control group. Conclusion : From the these results, we concluded that ShingihwanhapChangbudodam-Tang(SCT) has inhibitory effect on the development of EV-induced polycystic ovary. And it's effect may be related with decreased NGF activities in the ovary.
Circadian susceptibility of sleeping induced by pentobarbital was observrd in male DDO mouse treated with phenobarbital and ginseng saponin. The pentobarbital elimination rate was also measured in the same animal. The mouse had been maintained for one week under 12 hours of artificial illumination extending from 06:00 to 18:00 hours alternating with 12 hours of darkness. During the period the animals were administered intraperitoneally with 100mg/kg of phenobarbital for three days or 10mg/kg and 100mg/kg of ginseng saponin for seven days. At 24 hours after last injection pentobarbital sleeping time and elimination rate were measured following intraperitoneal administration of 50mg/kg of pentobarbital sodium. In a control group treated with saline, the duration of pentobarbital-induced sleep varied with circadian rhythmicity, which had a trough at 02:00 hours of light phase and a crest at 14:00 hours of dark phase. And the elimination rate measured at 02:00 hours was faster than that at 14:00 hours. Pretreatment with phenobarbital markedly shortened the pentobarbital steeping time and abolished the circadian rhythmicity. Those were correlated with the increased pentobartital elimination by phenobarbital throughout light and dark phases examined. Ginseng saponin, given for seven days in a dose of 10mg/kg or 100mg/kg, did not affect the circadian rhythmicity of sleeping and the elimination rate. Sleeping time during light phase, however, was somewhat shortened in ginseng treated animals, which was not matched with the finding of unaltered elimination rate. It seemed that the central nervous system stimulating effect of ginseng saponin might be involved in the findings observed.
Our previous reports demonstrated that ip. administration of Korean red ginseng acidic polysaccharide (RGAP) exerts antitumor activity In mice. The present study was carried out to compare the effects of ip. and p.o. routes of administration of RGAP on either normal or tumor-bearing BALB/c mice. RGAP was administered either ip. or p.o. at doses of 100, 300, 500, 1000 mg/kg for 1 or 5 weeks. Peritoneal macrophages from mice treated with RGAP p.o. at a dose of 300 mg/kg either for 1 or 5 weeks did not exhibit growth inhibition activity toward WEHI-I64 tumor cells. However, administration of RGAP at a dose of 600 mg/kg for both 1 and 5 weeks increased the antitumor activity of macrophages. Oral administration of RGAP (600 mg/kg) for 5 weeks and ip. administration of RGAP (300 mg/kg) for 1 week resulted in antitumor activities of $40\%$ and $45\%$, respectively, indicating that the effect of i.p. injection is more potent 2 and 5 times than that of p.o. one in terms of dose and duration, respectively. Tumor inhibition rates of RGAP at doses of 300, 500, 1000 mg/kg in mice transplanted with B16-F10 melanoma were 4.4, 12.0, and $45.4\%$, respectively, meaning that p.o. dose higher than 500 mg/kg possess marked antitumor activity. The results above suggests that p.o. administration of RGAP also show antitumor activity in vivo depending on the dose.
Background: Caudal block is useful when anesthesia for surgery or treatment for chronic pain is needed, but this procedure has a failure rate of up to 25% even when it performed byan experienced physician. This high failure rate is usually due to improper needle placement. Methods: After gaining approval of the ethics committee, 46 patients received caudal blocks under ultrasound guidance; these were performed after the anatomical structures in the sacral hiatus had been measured with ultrasound. All these procedures were performed by the same anesthesiologist. The position and direction of the needle were identified using fluoroscopy by injecting a radio-opaque contrast through the needle. The time taken from thelidocaine injection to verification of the needle was measured and the planned nerve block was then carried out. Results: All cases of needle insertion into the sacral canal under ultrasound guidance were successful. The average duration of the procedure and the trial count were $134.1{\pm}10.1seconds$ and $1.2{\pm}0.1$, respectively. In 12 of the 46 cases (26%), the needle deviated either left or right in the sacral canal, so the direction of the needle had to be adjusted. The distance between two cornua, the depth of the sacral hiatus and the thickness and length of the sacrococcygeal ligament were $17.1{\pm}0.4$, $3.9{\pm}0.3$, $2.3{\pm}0.1$ and $24.9{\pm}0.9mm$, respectively. Conclusions: Ultrasound guidance can increase the success rate of inserting a needle into the sacral canal. However, even when ultrasound is used, the needle can deviate either left or right in the sacral canal.
In order to compare the nocturnal penile erection and the erection induced by intracavernosal injection of papaverine, digital palpation of penis, erectile angle, and the rigigram using $Rigiscan^{(R)}$ were evaluated in 38 erectile dysfunction patients(13 psychogenic, 18 vasculogenic, 1 neurogenic, 3 vasculo-neurcgenic, and 3 undetermined). The following results were obtained. 1. Among the 32 patients of the nocturnal penile erection > 40% on rigigram, only 15 patients(46.9 %) demonstrated rigidity > 4+, a sufficient rigidity for sexual intercourse, on papaverine test. 2. The maximal degree of rigidity was also measured by the erectile angle of the penis. Among the 32 patients of nocturnal penile erection > 40% on rigigram, 23 patients(71.9%) had an angle > $45^{\circ}$. 3. Sixteen patients(42.1%) demonstrated similar increase in the maximal circumferential expansion of the distal portion of the penis on nocturnal penile erection and papaverine-induced erection. Nineteen patients showed larger circumferential expansion on nocturnal penile erection than on papaverine-induced erection. Fifteen patients showed similar circumferential increase of the basal portion of the penis on nocturnal penile erection and artificial erection, while 12 patients(31.6 %) showed larger circumferential increase on artificial erection than on nocturnal penile erection. 4. In the 15 patients of nocturnal penile erection > 40 % on rigigram and > 4+ on papaverine test, the duration of maintenance of the maximum erection on nocturnal penile erection and artificial erection proved to be not proportional. Thus, the arthficial erection induced by papaverine and the nocturnal penile erection can not to be said to be of same in nature and therefore, in order to make more definite diagnosis, both tests should be done and compared.
Purpose: This study was designed to investigate the effects of Gaeullijin-Tang(GIT) on the progression of the estradiol valerate(EV)-induced polycystic ovaries(PCO) in rats. Methods: PCO was induced by single intramuscular injection with estradiol valerate(EV)(4mg) in female rats. Normal group(n=8) were injected with sesame oil and orally administrated distilled water for sixty days. PCO control group (n=8) were injected with EV and orally administrated distilled water for sixty days. GIT treated group(n=8) were injected with EV and orally administrated GIT for same duration. At the end day of experiment, we measured weights of body, ovaries, adrenal glands, uterus and contents of serum androsternedione (ADD) and total estrogen. The histomorphometrical changes of ovaries were also evaluated. And we observed the NGF and CRF expression by immunohistochemistry. Results: The results were as follows - The weights(mg) of ovaries in GIT treated group($75.5{\pm}4.3$) were significantly increased(p<0.001) compared with PCO control group($54.3{\pm}4.5$). - The numbers of mature follicles in GIT treated group($5.3{\pm}1.2$) were significantly increased(p<0.05) compared with PCO control group($3.5{\pm}1.2$). - The numbers of corpora lutea in GIT treated group($1.8{\pm}1.3$) were significantly increased(p<0.05) compared with PCO control group($0.3{\pm}0.7$). Conclusion: From the above results, we concluded that Gaeullijin-Tang(GIT) contributes to stimulating normally ovulation by decreasesing ovarian NGF concentrations.
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