Wednesday 30 September 2020

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Lupine Publishers: Lupine Publishers | Post Endodontic Pain Reduction...

Lupine Publishers: Lupine Publishers | Post Endodontic Pain Reduction...:  Lupine Publishers | Journal of Otolaryngology High Impact Factor Abstract Objecti...

Lupine Pub lishers | Beyond The Local Anesthesia

 Lupine Publishers | LOJ Pharmacology & Clinical Research


Editorial

One of the most important events in dentistry history was the discovery of local anesthetics in 1859 by Albert Niemann (1834 – 1861). In fact, this event represents the beginning of a new era in dentistry. Despite the adverse and lethal effects of cocaine, the first local anesthetic used in dentistry, this finding permitted the develop of other local anesthetics with less adverse effects and better safety index such as procaine, lidocaine, mepivacaine, bupivacaine, prilocaine and more recently ropivacaine and articaine. Local anesthetics constitute a group of elementary drugs in the professional arsenal of dentistry and are the most used drugs in this area. They act by preventing the conduction of the nociceptive electrical impulses in a reversible way, generating a loss of sensitivity to pain. Local anesthetics internally block Na+ voltage gated channels on neuronal fibers, thus decreasing nerve conduction. Na+ voltage gated channels are complex structures formed by two β subunits (β1 and β2) and a large α subunit in whose central part is located the entry pore for this ion.

In the last 100 years, the reversible local anesthetic effect added to the wide therapeutic index of these agents have allowed to perform invasive procedures in the oral cavity in different areas such as endodontics, oral and maxillofacial surgery, implantology, restorative dentistry and periodontics without pain during the performance of these treatments. This fact has meant an unprecedented advance in the world history of dentistry.

Several research have been conducted and published with the aim of improving the pharmacokinetic profile of these drugs such as inclusion complexes with cyclodextrins and encapsulation in liposomes and nanocapsules. These studies are aimed at increasing the liposolubility of these drugs through the neuronal cell membrane, as well as avoiding the use of vasoconstrictors that are present in most local anesthetic formulations to counteract the vasodilator effect of these drugs. Moreover, this new formulations could reduce the side effects of this drugs, because these cell carriers act as reservoir and from there they release (in a sustained manner) the local anesthetics molecules. These latest advances could allow in the near future the topical use of these agents and limit the use of dental needles for their administration.

Recently, there has been special attention in relation to the cytotoxic effects produced by local anesthetics. It has been shown, for example, that these agents in low tissue concentrations (as used in clinical practice) produce an induction of cellular apoptosis. This fact could mean a possible coadjuvant treatment to the base treatment of some types of cancer. Could it be that we are facing a group of old drugs with a new target?

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Thursday 10 September 2020

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Lupine Publishers | -Dimer; A Potential Clinical Marker for Predicting Metastasis & Stages in Lung Cancer

 Lupine Publishers | LOJ Pharmacology & Clinical Research


Abstract

The relationship between plasma D-dimer level and the prognosis of advanced lung cancer is close to each other. This study investigated the role of plasma D-dimer as a prognostic factor in advanced lung cancer: a) The aim of the current study was to investigate the association of D dimer plasma level with the development of stages in lung cancer. b) D-dimers levels as predictor of fibrinolysis and Disseminated Intravascular Coagulation (DIC). The subjects were selected from oncology department, Ghulab Devi Hospital and Mayo Hospital, Lahore. Total 45 subjects were included in the present study. The selected subjects were divided into two groups. Group A included 15 normal, healthy, age and sex matched controls and group B included 30 patients, histologically diagnosed cases of lung cancer. The patients had no history of coagulation disorders or on anti-coagulant therapy. The plasma D-dimer was measured in normal, heathy Controls and 30 histologically diagnosed cases of lung cancer by enzyme-linked immunosorbent assay. The median age of the patients (18 males and 12 females ) was 39.433± 5.11 and 13.3% had stage lb, 20% had llb, 6.7 % llla, 36.11 lllb, 23.3 % had lV disease. Histologic sub-type was Non-small cell lung carcinoma (NSCLC) 30 %, Small cell lung carcinoma (SCLC) were 10 %, Squamous cell carcinoma were 10 %, adenocarcinoma 16.7 % and large cells carcinoma were 10%.In the present study. The Mean ± SD value of D-dimer level of the patients was 1068.70±441.86ng/dl, which was significantly higher than that of the control group. The plasma levels of D-dimer were significantly higher in patients with bronchogenic carcinoma as compared with healthy controls. Plasma D-dimer level was significantly higher in metastatic disease (P <0.01). D dimer levels were positively associated with clinical cancer stage (P<0.05) and metastasis (P<0.05). These findings suggested that the plasma D dimer level may be use as marker for predicting cancer metastasis and staging in lung cancer

Keywords:Lung Cancer; Malignancies; Haemostatic System; Coagulation; Tumor Cells; Hyper coagulopathy; D Dimer

Introduction

Lung cancer is one of the most prevalent malignancies in the world [1,2]. This cancer is currently the most common malignant disease and the leading cause of cancer related-deaths in all age groups and in both sexes [3]. The association between cancer and haemostatic system has been known since Trousseau’s study from the 19th century [4]. Coagulation or fibrinolytic system activation is present in lung cancer patients at clinical or subclinical level. There is a complex interaction, which has an important role in the course of the disease, between pathogenetic mechanisms of thrombosis, tumor cells, homeostatic systems, and patient characteristics. Patients with deep venous thrombosis (DVT) or subclinical hypercoagulopathy usually have worse prognosis. D-dimer is the cleavage product of cross linked fibrin that is formed by activation of the coagulation system, which signals hyperfibrinolysis in response to clot activation and fibrin formation [5]. Elevated levels of D-dimer have been detected in patients exhibiting diffuse intravascular coagulation [6], thromboembolic events, [7] D-dimer is a widely used biomarker for indicating the activation of coagulation and fibrinolysis [8,9]. Coagulation disorders are among the most common complications in cancer patients [8,10]. D-dimer is a degradation product of cross-linked fibrin that appears in the blood after a blood clot is degraded by fibrinolysis [11]. D-dimer is produced by fibrin degradation, and measurement of D-dimer levels can help in the diagnosis of thrombosis [12]. D-dimer levels have been found to be significantly higher in lung cancer with poor prognosis[13,14]. D-dimer is a plasmin-mediated degradation product of cross-linked fibrin clot, which is formed by the activation of the coagulation system for any reason [15]. Several studies suggested that serum D-dimer level may be an important parameter in assessing prognosis of disease and response to treatment in patients with lung cancer[14,16]. As D-dimer is a sensitive marker of fibrinolysis so, it is recommended measuring the plasma level of D-dimer in all new lung carcinoma patients [17]. The results suggested that the plasma level of D-dimer was notably associated with the extent of tumor metastasis and tumor stage in lung cancer patients.

Material and Methods

Total 45 subjects were included in the present study. 30 patients histologically diagnosed cases of bronchogenic carcinoma from oncology department, Ghulab Devi Hospital and Mayo Hospital Lahore, who were admitted between July 2017 to August 2018. The control group consisted of 15 healthy individual without co-morbidity. Lung cancer staging was performed for all patients according to the 7th TNM classification. The inclusion criteria were as following histological diagnosed cases of bronchogenic carcinoma pretreatment were selected. Patients with a history of venous thrombosis or anticoagulation therapy, hypertension, cardiovascular and cerebrovascular disease, diabetes, acute or chronic inflammatory disease, or previous malignancy were excluded from the current study. Written informed consent was obtained from each subjects before the sample collection. 3ml of venous blood was collected in the disposable syringe and put in to vacutainer tubes containing anticoagulant citrate buffer (1:9, buffer blood for D-dimers assay. History and clinical features were recorded in all subjects on performa. The principals of different tests and their procedures were adopted accordingly. Blood samples were centrifuged and the plasma was separated. D-dimer level was measured in the plasma, via enzyme-linked fluorescent immunoassay method using a PC-Vidas device (BioMerieux Fr). A D-dimer level <500 ng/dl was considered normal.

Results and Observations

Thirty patients with histological confirmed lung cancer were enrolled in the study. Mean age was 39.433 ± 5.11 years within the, range of 26-52 years, and there were 18 males (60.0%) and 12 females (40.0%). There were 05 (16.7%) adenocarcinomas, 10 (33.3%) squamous cell carcinomas, 03 (10.0%) small cell carcinomas and 09 (30%) non small cell carcinomas. 04 (13.3%) patients were classified as stage Ib, 06 (20%) patients as stage IIb, 02 (6.7%) patients as stage IIIa, 11 (36.7%) patients as stage IIIb and 07 (23.3%) patients as stage IV. The general characteristics of the lung cancer patients are shown in Table 1.

Discussion

The quotation “Qi is the commander of Blood and Blood acts as the mother of Qi” highlights the collaboration of Blood and Qi. Blood is seen as Yin and Qi can be classified into Yang, which can result in diseases when the imbalance of Yin-Yang occurs. Blood, produced with food qi (gu qi) by Spleen, circulates in the veins governed by Heart to nourish the organs and the systems. Blood, in addition to food qi, is also generated by the mother of Liver based on the Generating sequence Kidney, which stores prenatal Jing and produces marrow that generates to manufacture Blood. Qi circulates in the traditional twelve meridians to support the life, interacting with Blood for the Zang-Fu organs to function normally in harmony [20,21]. The studies on the relation between Qi in the twelve meridians and the oxygen metabolism highlight that one may be short of breath and experience wheezing or coughing when the normal level of blood oxygen is below, presenting the high similarity of physiological functions and pathological reactions between Qi and oxygen [22]. In other words, this suggested that oxygen, to some extent, is equivalent to Qi [23]. The Generating Sequence of the Five Elements theory shows Kidney is the mother of Liver, which suggests that Kidney’s problems can affect its child Liver. The maximum oxygen is delivered with the normal value of 45% of hematocrit [24]. Kidney produces Erythropoietin to promote the number of red blood cells to increase the capacity of the blood to carry more oxygen. In addition, the circulation of oxygen in the Kidney is closely associated with the production of Erythropoietin determined by tissue oxygen pressure [25]. In other words, stagnated Liver qi can be dispersed as long as Kidney can function normally with the delivery of the healthy Qi to Liver. In a word, the inflammation resulted from the infection can be reduced with much more oxygen delivered upwards with the blood to Lung.


D-dimer levels in patients with lung cancer were higher than those of the control group, and the difference was statistically significant P 0.05 (Table 2). D-dimer levels according to disease stage are shown in Table 3. When the D-dimer levels were compared according to disease stage in patients with lung cancer, a significant difference was observed between the D-dimer levels of patients with stage lb, llb and those with stage IV disease (P = 0.025). There was no significant difference between the other stage groups in terms of D-dimer levels. D-dimer levels were significantly higher in lung cancer patients than in the control group (P<0.01; Table 3). These data suggested that the plasma level of D dimer may be used as a marker of metastasis and staging in lung cancer.

Discussion

There is some evidence that the activation of coagulation and fibrinolytic system by neoplastic cells facilitates invasiveness and metastases [18]. Thus, the extent of such activation has been associated with tumor stage and prognosis in some malignancies such as breast, colorectal and lung cancer [19,20]. D-dimer is a product of cross-linked fibrin degradation by plasmin-induced fibrinolytic activity, and D-dimer levels are a biomarker of global hemostasis and fibrinolysis [21]. High D-dimer levels were associated with poor prognoses in patients with breast, [22,23] colon and rectum, [24,19] and lung [25,26] cancers. In the present study, it was demonstrated that elevated plasma levels of D dimer were associated with clinical cancer stages and metastasis in lung cancer patients. D-Dimers: In this study, D-dimers were found to be significantly increased (p < 0.01) in patients with lung cancer when compared with controls (Table 2). The D-dimer level was more in SCLC as compared to NSCLC. The increased D-dimer was more in Patients having DIC and in patients of metastatic disease. These increased levels of D-dimers may be due to enhanced fibrinolysis [27] in their study Showed increased levels of D-dimers in patients having malignancy. These findings are consistent with the results of [27,18,28,29]. Several studies have reported that plasma D-dimer levels were elevated and associated with the stage and mortality in lung cancer [28,29]. They also observed similar increase of D-dimers in lung cancer (2.0). Our study has some limitations. This is a retrospective observational study with small sample size. Therefore, the findings of this study need to be validated by prospective and multicentre studies. The present study thus provides more reference values for patients with later-stage tumors and poorer overall condition. SCLC is a highly invasive tumor with a poor prognosis, with different biological characteristics from NSCLC. Valid biomarkers are therefore needed to determine the prognosis of SCLC. In the present study, pretreatment plasma D-dimer levels were independently in patients with SCLC. This conclusion is supported by previous studies of lung cancer in general

Conclusion

The present study demonstrated that D-dimer plasma level was significantly higher in lung cancer patients and associated with clinical stages and metastasis. The current study was limited in that it only identified the association of D-dimer with tumor stage and metastasis.

 

https://lupinepublishers.com/pharmacology-clinical-research-journal/pdf/LOJPCR.MS.ID.000108.pdf

 https://lupinepublishers.com/pharmacology-clinical-research-journal/fulltext/d-dimer-a-potential-clinical-marker-for-predicting.ID.000108.php


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Monday 7 September 2020

Lupine Publishers: Lupine Publishers | We Hear With our Brain as the ...

Lupine Publishers: Lupine Publishers | We Hear With our Brain as the ...:  Lupine Publishers | Journal of Otolaryngology Abstract There are some studies whi...

Lupine Publishers | Comments on Whether or Not Traditional Chinese Medicine and Acupuncture are Pseudosciences

 Lupine Publishers | LOJ Pharmacology & Clinical Research


Abstract

Whether or not the traditional Chinese medicine (TCM) and acupuncture are science remains controversial. It seems that both should not be judged with the criteria based on the deductive reasoning because it goes beyond doubt that the different logical reasoning models between the East and the West need more conversation. Issues affecting the efficacy of TCM and acupuncture like Collection, Processing, Acupuncture as part of the health system, Designing Pattern-based research, Locating acupoints accurately, and Proper prescriptions are presented for discussion for the modernization and the scientization of TCM and acupuncture.

Keywords: Inductive/Deductive Reasoning; Acupoint; Yin-Yang; Pattern Identification

Introduction

Acupuncture and the traditional Chinese Medicine (TCM) are complex, developed with the philosophical principles and reflecting Chinese thought, which is used to place the human body into a large system through the observation of nature and has been recognized and practiced totreat various diseases and symptoms worldwide. It’s been argued academically and clinically for long whether or not the TCM and acupuncture should be treated as science or pseudoscience. The Chinese are used to the inductive reasoning for more than five thousand years, compared to deductive reasoning of in the West. Based on this reasoning model, the TCM and acupuncture features similarities with Yin-Yang, Qi-Blood, the Five Elements, and Pattern identification in theories. In addition to the scientific evidence with modern techniques, such as fMRI and CT, to examine the effects of the TCM and acupuncture, it seems to suggest that some key issues deserve attention. Having the better understanding and learning of the TCM and acupuncture, which will greatly promote research in the TCM and acupuncture, may be beneficial to modernization and scientization of the TCM and acupuncture and rethinking the definition of science.

Current Issuess

Collection

The clinical use of Chinese herbs must follow the TCM theories and be based on the patient’s specific conditions with accurate diagnosis, following the principles of pattern identification. Ban-xia (Pinellia ternate) is effective to drain phlegm caused by dampness. Ban literally in Chinese means in the middle summer of which indicates the best harvest time is in the mid-summer between May 6 (lixia,) when summer begins and June 21, maximum summer (xiazhi) for the maximum constituents and best quality. However, this rule seems to be difficult to follow, suggesting why the efficacy is as good as expected for the clinical outcomes [1].

Processing

In order to facilitate the use of Chinese herbs to meet the clinical needs, herb processing is required because it can generally reduce toxicity, alter energetic nature, and reinforce efficacy to increase the therapeutic effectiveness. Radix Bupleuri (RB) bearing the properties of spicy, cool, and bitter is one of the most popular traditional Chinese medical herbs to treat Liverrelated diseases. Radix Bupleuri is derived from the dried roots of Bupleurum scorzonerifolium Willd (Nan Chaihu) and Bupleurum chinense DC. (Pei Chaihu), which is the main ingredient of the most frequently used preparations Da Chai Hu decoction and Xiao Chai Hu decoction in the Treatise on Injury by Cold (Shang Han Lun). The major differences between Bupleurum scorzonerifolium and Willd Bupleurum chinense DC. are the indication of Bupleurum chinense DC. is to disperse stagnated Liver qi while Bupleurum scorzonerifolium Willd is used to reinforce Yang Qi in the pattern of Middle Jiao deficiency [1]. However, whether or not Bei Chaihu (Bupleurum chinense DC.) is selected as the components of these two formulas remains uncertain since it is not specified by the author Zhang Zhongjing of Treatise on Injury by Cold (Shang Han Lun), even though Bupleurum chinense DC. is mostly selected for clinical use. On the other hand, the evidence-based researcher shows the levels of neurotransmitters in the frontal cortex and hippocampus can be regulated significantly with the use of vinegarbaked Bupleuri Radix In addition, vinegar-baked Bupleuri Radix can be more effective for relieving the depressed Liver qi and bring about the better antidepressant effect than unprocessed Bupleuri Radix [1,2].

Acupuncture as Part of The Health System

Whether or not acupuncture is science remains controversial only because this issue is presented and discussed by those who are used to the deductive reasoning. However, the objective evidence of the population of China has given the answer, explaining the statuses of TCM and acupuncture in China and the Chinese communities around the world. TCM and acupuncture had been the major approaches in the health system in the ancient China until the Qing dynasty. In the first half of the nineteen century, the population of China accounted for one-third of the world population even though China had been tortured by the twenty one major wars and battles, leading to the fluctuation of population. It is estimated the population was about forty two million in the Qin dynasty (221- 206 BC) and increased to eighty six million in the Han dynasty (206 BC- 220 AD). The population moved around 100 million to 150 million until 1700s after the Ming dynasty (1368-1344) and earlier period of the Qing dynasty (1644-1912). More impressive evidence is that the population doubled in a century in the period between 1749 and 1851[3,4].

Designing Pattern-Based Research

It is noted that most of the contemporary scientific researches examining the efficacy of acupuncture and TCM only focuses on diseases, instead of following the pattern identification. It is understood that a disease refers to the loss of the balance of YinYang [3]. TCM and acupuncture see the body as a miniature of the universe in diagnosis and treatment and believe the body acts with the universe, which is totally different from the Western medicine. Yin and Yang are the philosophical concepts and abstract with the functions broader than the anatomical knowledge of the Western medicine. On the other hand, TCM emphasizes the congenital constitution passed from the parents, which is equivalent to the concept of gene centered in the Precision medicine [5]. It is agreed that criteria for evaluating Pizza should not be used to assess Burrito. In other words, the research designs not following the pattern identification cannot accurately exemplify the TCM and acupuncture theories to a great extent because they are breaking the rules and principles developed with the inductive reasoning model [6].

Locating Acupoints Accurately

How to accurately locate an acupoint is the key to the successful treatment. For, example, LIV1 (Da Dun) is the most commonly used acupoint in the acupuncture treatment for regulating Qi in the lower jiao and Liver qi to alleviate pain. Unfortunately, whether this acupoint is located on the dorsal aspect of the big toe, at the junction of lines drawn along the lateral border of the nail and the base of the nail, approximately 0.1 cun from the corner of the nail [7] or on the lateral side of the terminal phalanx of the great toe, 0.1 cun from the corner of the nail [8] remains controversial in the clinical practice and textbooks.

Proper Prescription

As discussed above, Pattern identification is vital for the successful treatment outcomes. The historical developments show that an acupuncturist may face the following challenging issues, such as only selecting traditional acupoints for use, only selecting extra acupoints, or the combinations of traditional acupoints with extra acupoints, while a TCM practitioner needs to consider the processed/unprocessed herbs, the collection way of the herbs. Up to now, there has not scientific evidence to show which choice can reach the best treatment outcomes. In other words, these issues depend on acupuncturists’ wisdom and experience.

Discussion

There has not been sufficient scientific evidence to prove the meridians exist. However, acupuncture is recommended by the WHO [8] and widely known for the effectiveness in the treatment of pain. Current development and the acceptance of acupuncture in the West may suggest whether or not the definition of science can apply to the acupuncture and the TCM still deserves attention and discussion. The efficacy in reducing pain is one of the main reasons why it has been recognized to be the effective approach around the world. The plentiful evidence on the effects of acupuncture on specific painful conditions has been presented. The systematic review of 13 trials of acute pain found that acupuncture is more effective than both sham needling and painkillers [9-11]. Banxia (Pinellia ternate) is used to drain phlegm effectively caused by dampness, which suggests that it should not be selected to fight against phlegm caused by dryness. This example highlights the importance of pattern identification for the optimal and bestoutcomes. In addition, the nature of the Chinese herbs is changed when it is processed, which indicates how to identify accurately the characteristics of Chinese herbs is crucial to the clinical use. The historical developments show that there are challenges ahead of the TCM and acupuncture learners and practitioners, such as whether it is effective to select the unprocessed herbs, research design following the pattern identification, only use acupoints on the traditional regular meridians, when to combine the regular acupoints with the extra acupoints, how to decide the accurate needling duration, etc.

Conclusion

The expected treatment and experiment outcomes will not occur until the acupuncture and TCM patterns are followed and taken into the consideration since there exist some fundamental differences between the Western medicine and the TCM, including acupuncture. On the other hand, it deserves attention that whether the definition of science developed with deductive reasoning can apply to the Yin-Yang and the Five Elements theories derived from the inductive reasoning needs more discussion.

 https://lupinepublishers.com/pharmacology-clinical-research-journal/pdf/LOJPCR.MS.ID.000111.pdf

https://lupinepublishers.com/pharmacology-clinical-research-journal/fulltext/comments-on-whether-or-not-traditional-chinese-medicine-and-acupuncture-are-pseudosciences.ID.000111.php

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